4,2(5x-7)-2,5(2-4x)=120

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Solution for 4,2(5x-7)-2,5(2-4x)=120 equation: 



4.2(5x-7)-2.5(2-4x)=120

We move all terms to the left:

4.2(5x-7)-2.5(2-4x)-(120)=0

We add all the numbers together, and all the variables

4.2(5x-7)-2.5(-4x+2)-120=0

We multiply parentheses

21x+10x-29.4-5-120=0

We add all the numbers together, and all the variables

31x-154.4=0

We move all terms containing x to the left, all other terms to the right

31x=154.4

x=154.4/31

x=4+21.714285714286/22.142857142857

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