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4\left(x-1\right)-3\left(x+1\right)=12x+24-6\times 3\left(x-3\right)
Multiply both sides of the equation by 12, the least common multiple of 3,4,2.
4x-4-3\left(x+1\right)=12x+24-6\times 3\left(x-3\right)
Use the distributive property to multiply 4 by x-1.
4x-4-3x-3=12x+24-6\times 3\left(x-3\right)
Use the distributive property to multiply -3 by x+1.
x-4-3=12x+24-6\times 3\left(x-3\right)
Combine 4x and -3x to get x.
x-7=12x+24-6\times 3\left(x-3\right)
Subtract 3 from -4 to get -7.
x-7=12x+24-18\left(x-3\right)
Multiply -6 and 3 to get -18.
x-7=12x+24-18x+54
Use the distributive property to multiply -18 by x-3.
x-7=-6x+24+54
Combine 12x and -18x to get -6x.
x-7=-6x+78
Add 24 and 54 to get 78.
x-7+6x=78
Add 6x to both sides.
7x-7=78
Combine x and 6x to get 7x.
7x=78+7
Add 7 to both sides.
7x=85
Add 78 and 7 to get 85.
x=\frac{85}{7}
Divide both sides by 7.