30+2x=4x+9

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Solution for 30+2x=4x+9 equation:



30+2x=4x+9
We move all terms to the left:
30+2x-(4x+9)=0
We get rid of parentheses
2x-4x-9+30=0
We add all the numbers together, and all the variables
-2x+21=0
We move all terms containing x to the left, all other terms to the right
-2x=-21
x=-21/-2
x=10+1/2

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