4(x+2)-3x+7=7x+21

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Solution for 4(x+2)-3x+7=7x+21 equation: 



4(x+2)-3x+7=7x+21

We move all terms to the left:

4(x+2)-3x+7-(7x+21)=0

We add all the numbers together, and all the variables

-3x+4(x+2)-(7x+21)+7=0

We multiply parentheses

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

We get rid of parentheses

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

We add all the numbers together, and all the variables

-6x-6=0

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

-6x=6

x=6/-6

x=-1

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