4(10x+100)=720

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Solution for 4(10x+100)=720 equation: 



4(10x+100)=720

We move all terms to the left:

4(10x+100)-(720)=0

We multiply parentheses

40x+400-720=0

We add all the numbers together, and all the variables

40x-320=0

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

40x=320

x=320/40

x=8

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