3(x-7)+12=4(12x-8)-7

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Solution for 3(x-7)+12=4(12x-8)-7 equation:



3(x-7)+12=4(12x-8)-7
We move all terms to the left:
3(x-7)+12-(4(12x-8)-7)=0
We multiply parentheses
3x-(4(12x-8)-7)-21+12=0
We calculate terms in parentheses: -(4(12x-8)-7), so:
4(12x-8)-7
We multiply parentheses
48x-32-7
We add all the numbers together, and all the variables
48x-39
Back to the equation:
-(48x-39)
We add all the numbers together, and all the variables
3x-(48x-39)-9=0
We get rid of parentheses
3x-48x+39-9=0
We add all the numbers together, and all the variables
-45x+30=0
We move all terms containing x to the left, all other terms to the right
-45x=-30
x=-30/-45
x=2/3

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