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4\left(4x-1\right)-72=3\left(3x-4\right)-6\left(x+2\right)
Multiply both sides of the equation by 12, the least common multiple of 3,4,2.
16x-4-72=3\left(3x-4\right)-6\left(x+2\right)
Use the distributive property to multiply 4 by 4x-1.
16x-76=3\left(3x-4\right)-6\left(x+2\right)
Subtract 72 from -4 to get -76.
16x-76=9x-12-6\left(x+2\right)
Use the distributive property to multiply 3 by 3x-4.
16x-76=9x-12-6x-12
Use the distributive property to multiply -6 by x+2.
16x-76=3x-12-12
Combine 9x and -6x to get 3x.
16x-76=3x-24
Subtract 12 from -12 to get -24.
16x-76-3x=-24
Subtract 3x from both sides.
13x-76=-24
Combine 16x and -3x to get 13x.
13x=-24+76
Add 76 to both sides.
13x=52
Add -24 and 76 to get 52.
x=\frac{52}{13}
Divide both sides by 13.
x=4
Divide 52 by 13 to get 4.