5x+20-3x=3x+21

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Solution for 5x+20-3x=3x+21 equation: 



5x+20-3x=3x+21

We move all terms to the left:

5x+20-3x-(3x+21)=0

We add all the numbers together, and all the variables

2x-(3x+21)+20=0

We get rid of parentheses

2x-3x-21+20=0

We add all the numbers together, and all the variables

-1x-1=0

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

-x=1

x=1/-1

x=-1

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