x-12=0.7x

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Solution for x-12=0.7x equation:



x-12=0.7x
We move all terms to the left:
x-12-(0.7x)=0
We add all the numbers together, and all the variables
x-(+0.7x)-12=0
We get rid of parentheses
x-0.7x-12=0
We add all the numbers together, and all the variables
0.3x-12=0
We move all terms containing x to the left, all other terms to the right
0.3x=12
x=12/0.3
x=40

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