15x+20=7x+12

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Solution for 15x+20=7x+12 equation:



15x+20=7x+12
We move all terms to the left:
15x+20-(7x+12)=0
We get rid of parentheses
15x-7x-12+20=0
We add all the numbers together, and all the variables
8x+8=0
We move all terms containing x to the left, all other terms to the right
8x=-8
x=-8/8
x=-1

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