2x+12x-28+7=90+15x

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Solution for 2x+12x-28+7=90+15x equation: 



2x+12x-28+7=90+15x

We move all terms to the left:

2x+12x-28+7-(90+15x)=0

We add all the numbers together, and all the variables

2x+12x-(15x+90)-28+7=0

We add all the numbers together, and all the variables

14x-(15x+90)-21=0

We get rid of parentheses

14x-15x-90-21=0

We add all the numbers together, and all the variables

-1x-111=0

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

-x=111

x=111/-1

x=-111

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