3x-10=7x+20

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Solution for 3x-10=7x+20 equation:



3x-10=7x+20
We move all terms to the left:
3x-10-(7x+20)=0
We get rid of parentheses
3x-7x-20-10=0
We add all the numbers together, and all the variables
-4x-30=0
We move all terms containing x to the left, all other terms to the right
-4x=30
x=30/-4
x=-7+1/2

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