3(10+2x)=78

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Solution for 3(10+2x)=78 equation: 



3(10+2x)=78

We move all terms to the left:

3(10+2x)-(78)=0

We add all the numbers together, and all the variables

3(2x+10)-78=0

We multiply parentheses

6x+30-78=0

We add all the numbers together, and all the variables

6x-48=0

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

6x=48

x=48/6

x=8

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