3(4z-4)-12(z+5)=z-8(z-5)

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Solution for 3(4z-4)-12(z+5)=z-8(z-5) equation:


Simplifying
3(4z + -4) + -12(z + 5) = z + -8(z + -5)

Reorder the terms:
3(-4 + 4z) + -12(z + 5) = z + -8(z + -5)
(-4 * 3 + 4z * 3) + -12(z + 5) = z + -8(z + -5)
(-12 + 12z) + -12(z + 5) = z + -8(z + -5)

Reorder the terms:
-12 + 12z + -12(5 + z) = z + -8(z + -5)
-12 + 12z + (5 * -12 + z * -12) = z + -8(z + -5)
-12 + 12z + (-60 + -12z) = z + -8(z + -5)

Reorder the terms:
-12 + -60 + 12z + -12z = z + -8(z + -5)

Combine like terms: -12 + -60 = -72
-72 + 12z + -12z = z + -8(z + -5)

Combine like terms: 12z + -12z = 0
-72 + 0 = z + -8(z + -5)
-72 = z + -8(z + -5)

Reorder the terms:
-72 = z + -8(-5 + z)
-72 = z + (-5 * -8 + z * -8)
-72 = z + (40 + -8z)

Reorder the terms:
-72 = 40 + z + -8z

Combine like terms: z + -8z = -7z
-72 = 40 + -7z

Solving
-72 = 40 + -7z

Solving for variable 'z'.

Move all terms containing z to the left, all other terms to the right.

Add '7z' to each side of the equation.
-72 + 7z = 40 + -7z + 7z

Combine like terms: -7z + 7z = 0
-72 + 7z = 40 + 0
-72 + 7z = 40

Add '72' to each side of the equation.
-72 + 72 + 7z = 40 + 72

Combine like terms: -72 + 72 = 0
0 + 7z = 40 + 72
7z = 40 + 72

Combine like terms: 40 + 72 = 112
7z = 112

Divide each side by '7'.
z = 16

Simplifying
z = 16

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