15+32+42=30+x

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Solution for 15+32+42=30+x equation: 



15+32+42=30+x

We move all terms to the left:

15+32+42-(30+x)=0

We add all the numbers together, and all the variables

-(x+30)+15+32+42=0

We add all the numbers together, and all the variables

-(x+30)+89=0

We get rid of parentheses

-x-30+89=0

We add all the numbers together, and all the variables

-1x+59=0

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

-x=-59

x=-59/-1

x=+59

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