7(5x-8)=-21

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Solution for 7(5x-8)=-21 equation: 



7(5x-8)=-21

We move all terms to the left:

7(5x-8)-(-21)=0

We add all the numbers together, and all the variables

7(5x-8)+21=0

We multiply parentheses

35x-56+21=0

We add all the numbers together, and all the variables

35x-35=0

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

35x=35

x=35/35

x=1

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