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4x-16+4x-4\left(4-x\right)=4\left(4x-4\right)+4\left(4-4x\right)
Use the distributive property to multiply 4 by x-4.
8x-16-4\left(4-x\right)=4\left(4x-4\right)+4\left(4-4x\right)
Combine 4x and 4x to get 8x.
8x-16-16+4x=4\left(4x-4\right)+4\left(4-4x\right)
Use the distributive property to multiply -4 by 4-x.
8x-32+4x=4\left(4x-4\right)+4\left(4-4x\right)
Subtract 16 from -16 to get -32.
12x-32=4\left(4x-4\right)+4\left(4-4x\right)
Combine 8x and 4x to get 12x.
12x-32=16x-16+4\left(4-4x\right)
Use the distributive property to multiply 4 by 4x-4.
12x-32=16x-16+16-16x
Use the distributive property to multiply 4 by 4-4x.
12x-32=16x-16x
Add -16 and 16 to get 0.
12x-32=0
Combine 16x and -16x to get 0.
12x=32
Add 32 to both sides. Anything plus zero gives itself.
x=\frac{32}{12}
Divide both sides by 12.
x=\frac{8}{3}
Reduce the fraction \frac{32}{12} to lowest terms by extracting and canceling out 4.