10x-3x+87=10x+42

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Solution for 10x-3x+87=10x+42 equation: 



10x-3x+87=10x+42

We move all terms to the left:

10x-3x+87-(10x+42)=0

We add all the numbers together, and all the variables

7x-(10x+42)+87=0

We get rid of parentheses

7x-10x-42+87=0

We add all the numbers together, and all the variables

-3x+45=0

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

-3x=-45

x=-45/-3

x=+15

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