30+4x=70+2x

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Solution for 30+4x=70+2x equation: 



30+4x=70+2x

We move all terms to the left:

30+4x-(70+2x)=0

We add all the numbers together, and all the variables

4x-(2x+70)+30=0

We get rid of parentheses

4x-2x-70+30=0

We add all the numbers together, and all the variables

2x-40=0

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

2x=40

x=40/2

x=20

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