42+8x-1=12x-7

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Solution for 42+8x-1=12x-7 equation: 



42+8x-1=12x-7

We move all terms to the left:

42+8x-1-(12x-7)=0

We add all the numbers together, and all the variables

8x-(12x-7)+41=0

We get rid of parentheses

8x-12x+7+41=0

We add all the numbers together, and all the variables

-4x+48=0

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

-4x=-48

x=-48/-4

x=+12

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