1x+15=3x-15

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Solution for 1x+15=3x-15 equation:



1x+15=3x-15
We move all terms to the left:
1x+15-(3x-15)=0
We add all the numbers together, and all the variables
x-(3x-15)+15=0
We get rid of parentheses
x-3x+15+15=0
We add all the numbers together, and all the variables
-2x+30=0
We move all terms containing x to the left, all other terms to the right
-2x=-30
x=-30/-2
x=+15

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