X plus 7.8 equals 2 (x plus 1.5) to solve the equation

X plus 7.8 equals 2 (x plus 1.5) to solve the equation

X plus 7.8 equals 2 (x plus 1.5)
x+7.8=2x+3
2x-x=7.8-3
x=4.8
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The sum of 7.2 times of a number and 2.8 times of it is 2.5. To find this number, we need to solve the equation,

1. Let this number be X
7.2x＋2.8x＝2.5
(7.2＋2.8)x＝2.5
10x＝2.5
x＝2.5÷10
x＝0.25
2. What is the sum of three consecutive numbers? If it is three consecutive odd numbers, then it is x + 1 + X + 3 + X + 5 = 3x + 9
If it is the sum of three consecutive even numbers, then x + 2 + X + 4 + X + 6 = 3x + 12
Answer supplement
2. Express the sum of three continuous natural numbers (3x + 3) with the formula containing letters
Let the first be x, then the second is x + 1 and the third is x + 2
x＋x＋1＋x＋2
＝3x＋3

Three out of seven equals the 8.4x equation

3/7=8.4x
x=3/(7X8.4)
x=3/58.8

How to solve the equation 120 + 4 / 5 x equals 160

120+4x/5=160
4x/5=40
Two sides divided by four X / 5 = 10
Multiply both sides by five, x = 50

4X divided by 3 = 12-5.4

4X divided by 3 = 12-5.4
4X divided by 3 = 6.6
x=6.6x3÷4
x=4.95

Divide {4 - [12 + 4x (3-10)} by 5
Urgent, help me_ ∩*)′

4. Calculate directly according to bracket bracket bracket bracket
{4-[12+4x（3-10）]}/5
={4-[12+4*(-7)]}/5
=[4-(12-28)]/5
=[4+(28-12)]/5
=(4+16)/5
=20/5
=4

How to solve the equation of 0.8x + 2 = 7.6? X / 45 = 0.28? 6.7x = 2.041? 960 / x = 12?
Please answer comprehensively, only then can have the score!

(1)
0.8x+2=7.6
0.8x=7.6-2
0.8x=5.6
x=7
(2):x/45=0.28
x=0.28*45
x=12.6
(3):6.7x=2.041
x=2.041/6.7
x=0.3
(4):
960/x=12
x=960/12
x=80

7x + 8 * 2.5 = 22.8, how to solve it with equation

7x+8*2.5=22.8
7x+20=22.8
7x=22.8-20
7x=2.8
x=2.8/7
x=0.4

The solution of equation 6 + 7x / 4 = 7.4
Urgent need for homework!

6+7x/4=7.4
7x/4=1.4
x=0.8

How much is 360 × 0.9x-360x = 0.9x × 10? I hope there is a process (× multiplier x unknown)

360*0.9X-10*0.9X-360X=0
So 360 * 0.1x-10 * 0.9x = 0
36x-9x = 0