-1(8x-15x)+7x=21

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Solution for -1(8x-15x)+7x=21 equation: 



-1(8x-15x)+7x=21

We move all terms to the left:

-1(8x-15x)+7x-(21)=0

We add all the numbers together, and all the variables

-1(-7x)+7x-21=0

We add all the numbers together, and all the variables

7x-1(-7x)-21=0

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

7x-1(-7x)=21

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