-21+4(x-1)=4x-3(4x-1)-4

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Solution for -21+4(x-1)=4x-3(4x-1)-4 equation:



-21+4(x-1)=4x-3(4x-1)-4
We move all terms to the left:
-21+4(x-1)-(4x-3(4x-1)-4)=0
We multiply parentheses
4x-(4x-3(4x-1)-4)-4-21=0
We calculate terms in parentheses: -(4x-3(4x-1)-4), so:
4x-3(4x-1)-4
We multiply parentheses
4x-12x+3-4
We add all the numbers together, and all the variables
-8x-1
Back to the equation:
-(-8x-1)
We add all the numbers together, and all the variables
4x-(-8x-1)-25=0
We get rid of parentheses
4x+8x+1-25=0
We add all the numbers together, and all the variables
12x-24=0
We move all terms containing x to the left, all other terms to the right
12x=24
x=24/12
x=2

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