If the solution of the unitary linear equation 2x + M = 3x-4 of X is negative, then the value range of M is

If the solution of the unitary linear equation 2x + M = 3x-4 of X is negative, then the value range of M is

2x+m=3x-4
x=m+4
X
2X + M = 3x-4 leads to x = m + 4 and M + 4 because the solution is negative
When m is a value, the equation (m ^ 2-1) x ^ 2 - (M + 1) x + 8 = 0 is a linear equation of one variable about x? What is the value of the algebraic formula (M + n) (x-2m)
I'm looking for a master. It's better to be before 9:00
When m is a value, the equation (m ^ 2-1) x ^ 2 - (M + 1) x + 8 = 0 is a one variable linear equation about x? What is the value of the algebraic formula (M + n) (x-2m)? (m ^ 2-1) x ^ 2 - (M + 1) x + 8 = 0, x ^ 2 is a power of 2, which does not meet the requirements of the topic, so it must be removed
If (M & sup2; - 1) = 0  M = ± 1
And (M + 1) ≠ 0 ∧ m ≠ - 1 ∧ M = 1
The solution is x = - 4
∴（m+n)(x-2m)=(1+n)(-6)=-6n-6
2-3x / 4 = x + 17 / 5,
2-3x/4=x+17/5
7x/4=-7/5
x=-4/5
(2-3x)/4=(x+17)/5
5(2-3x)=4(x+17)
10-15x=4x+68
19x=-58
x=-58/19
[4X+20)/4=-2+(6X-20)/5
（4X+20)/4=-2+(6X-20)/5
To denominator: 5 (4x + 20) = - 40 + 4 (6x-20)
Remove brackets: 20x + 100 = - 40 + 24x-80
Merge similar items: 4x = 220
The coefficient is 1: x = 55
Solving equations, right?
The original equation is reduced to x + 5 = - 2 + (6x / 5) - 4, and X / 5 = 11, so x = 55
X+5=-2+6X/5-4
The result is: X / 5 = 11
The solution is: x = 55
Analysis: 1. 4x + 20 in the left bracket is divided by 4 at the same time to get x + 5;
2. Divide 6x-20 in the right bracket by 5 to get 6x / 5-4;
3. Both sides are equal: x + 5 = 6x / 5-4
4. Add 4 on both sides at the same time to get: x + 9 = 6x / 5;
5. Subtract x from both sides to get: 9 = x / 5
... unfold
Analysis: 1. 4x + 20 in the left bracket is divided by 4 at the same time to get x + 5;
2. Divide 6x-20 in the right bracket by 5 to get 6x / 5-4;
3. Both sides are equal: x + 5 = 6x / 5-4
4. Add 4 on both sides at the same time to get: x + 9 = 6x / 5;
5. Subtract x from both sides to get: 9 = x / 5
So x = 45
Note: the '/' in the title should be a division sign Put it away
The solution of (24-3x) x = 45 is
Divide two sides by three
8x-x²=15
x²-8x+15=0
(x-3)(x-5)=0
x=3,x=5
24x－3x²＝45
3x²－24x＋45＝0
x²－8x＋15＝0
﹙x－3﹚﹙x－5﹚＝0
x1＝3, x2＝5
4X 20) / 4 = - 2 (6x-20) / 5, how to get the denominator
Multiply both sides of the equation by 20
How to solve the equation process 3x + 80 = 92
3x+80=92
transposition
3x=92-80
3x=12
X=4
3x=92-80
3x=12
X=4
3x=92-80=12,x=4
The process of solving (4x + 20) / 4 = 2 + (6x-20) / 5
（4X＋20）／4＝2＋（6X－20）／5
Multiply both sides by 20 at the same time
5（4x+20）=40+4(6x-20)
20x+100=40+24x-80
20x+100=24x-40
24x-20x=100+40
4x=140
x=35
How to solve the equation with 5 / 2x + 1 / 3x = 17
(5/2)x+(1/3)x=17
15x+2x=102
17x=102
X=6
4X＋20）／4＝－2＋（6X－20）／5 X
It's only one yuan a time
(4x + 20) / 4 = - 2 + (6x-20) / 5x univariate quadratic equation
This seems to be a quadratic equation of one variable
Is this a linear equation????!!