4(x+20)+3(2x-10)=80

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Solution for 4(x+20)+3(2x-10)=80 equation: 



4(x+20)+3(2x-10)=80

We move all terms to the left:

4(x+20)+3(2x-10)-(80)=0

We multiply parentheses

4x+6x+80-30-80=0

We add all the numbers together, and all the variables

10x-30=0

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

10x=30

x=30/10

x=3

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