8x+4=-7+3x+21

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Solution for 8x+4=-7+3x+21 equation: 



8x+4=-7+3x+21

We move all terms to the left:

8x+4-(-7+3x+21)=0

We add all the numbers together, and all the variables

8x-(3x+14)+4=0

We get rid of parentheses

8x-3x-14+4=0

We add all the numbers together, and all the variables

5x-10=0

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

5x=10

x=10/5

x=2

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