-12=10x-40x+3

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Solution for -12=10x-40x+3 equation: 



-12=10x-40x+3

We move all terms to the left:

-12-(10x-40x+3)=0

We add all the numbers together, and all the variables

-(-30x+3)-12=0

We get rid of parentheses

30x-3-12=0

We add all the numbers together, and all the variables

30x-15=0

We move all terms containing x to the left, all other terms to the right

30x=15

x=15/30

x=1/2

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