0.5 + 1 / 2 x = 3x-3 to solve the equation

0.5 + 1 / 2 x = 3x-3 to solve the equation

5 x = 3. 5
x=1.4

Solution equation: 0.3x ^ 2 + 2.1x-0.09 = 0

0.3x^2+2.1x-0.09=0
30x^2+210x-9=0
10x^2+70x-3=0
△=b^2-4ac=4900+120=5020
X = (- 70 plus minus 2 radical 1255) / 20
X1 = (- 35 + radical 1255) / 10
X2 = (- 35 radical 1255) / 10

-4 / 3x + 2 = 13 + 4 / 1X to solve the equation

-4\3x-4\1x=13-2
-x=11
x=-11

3 / 4 x + 1 / 3 x = 1 / 2,

3x / 4 + 1x / 3 = 1 / 2
Multiply by 12
9x+4x=6
13x=6
x=6/13
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1 / 4 x + 3 / 8 x = 25 / 24

1/4X+3/8X=25/24
5/8X=25/24
X=25/24÷5/8
X=5/3

The solution equation: 10x-7 = 12-5-3x

10X—7=12—5—3X
10X+3X=12-5+7
13X=14
X=14÷13
X=14/13
X = 14 / 13

Solve the equation 10x-6-3x = 430.75: x = 58

（1）10X-6-3X=43，             7X-6=43，           7X-6+6=43+6，               7X=49，             7X÷7=49÷7，                X=7；（2）0.75：X=58，         58X=0.75，     58X÷58=34÷58，           X=34×85，            X=65．

3x = 10x to solve the equation
How to solve the equation 3x = 10x

3x-10x=o
-7x=0
x=0

5 (3x-3) = 10x,

5(3x-3)=10x
15x-15=10x
15x-10x=15
5x=15
x=3

2x-8 = 3x-4 to solve the equation

2x-8=3x-4
Move to get
2x-3x=-4+8
Merge similar items
-x=4
The coefficient is 1
x=-4