3x+33=7x+21

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Solution for 3x+33=7x+21 equation:



3x+33=7x+21
We move all terms to the left:
3x+33-(7x+21)=0
We get rid of parentheses
3x-7x-21+33=0
We add all the numbers together, and all the variables
-4x+12=0
We move all terms containing x to the left, all other terms to the right
-4x=-12
x=-12/-4
x=+3

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