10(x+30)=90

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Solution for 10(x+30)=90 equation: 



10(x+30)=90

We move all terms to the left:

10(x+30)-(90)=0

We multiply parentheses

10x+300-90=0

We add all the numbers together, and all the variables

10x+210=0

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

10x=-210

x=-210/10

x=-21

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