7(x-10)=-21

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Solution for 7(x-10)=-21 equation: 



7(x-10)=-21

We move all terms to the left:

7(x-10)-(-21)=0

We add all the numbers together, and all the variables

7(x-10)+21=0

We multiply parentheses

7x-70+21=0

We add all the numbers together, and all the variables

7x-49=0

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

7x=49

x=49/7

x=7

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