-4(5+2x)=100

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Solution for -4(5+2x)=100 equation: 



-4(5+2x)=100

We move all terms to the left:

-4(5+2x)-(100)=0

We add all the numbers together, and all the variables

-4(2x+5)-100=0

We multiply parentheses

-8x-20-100=0

We add all the numbers together, and all the variables

-8x-120=0

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

-8x=120

x=120/-8

x=-15

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