3(+5)=x+21

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Solution for 3(+5)=x+21 equation: 



3(+5)=x+21

We move all terms to the left:

3(+5)-(x+21)=0

We add all the numbers together, and all the variables

-(x+21)+35=0

We get rid of parentheses

-x-21+35=0

We add all the numbers together, and all the variables

-1x+14=0

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

-x=-14

x=-14/-1

x=+14

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