5(4z-1)-5(z+7)=12(z+1)

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Solution for 5(4z-1)-5(z+7)=12(z+1) equation:


Simplifying
5(4z + -1) + -5(z + 7) = 12(z + 1)

Reorder the terms:
5(-1 + 4z) + -5(z + 7) = 12(z + 1)
(-1 * 5 + 4z * 5) + -5(z + 7) = 12(z + 1)
(-5 + 20z) + -5(z + 7) = 12(z + 1)

Reorder the terms:
-5 + 20z + -5(7 + z) = 12(z + 1)
-5 + 20z + (7 * -5 + z * -5) = 12(z + 1)
-5 + 20z + (-35 + -5z) = 12(z + 1)

Reorder the terms:
-5 + -35 + 20z + -5z = 12(z + 1)

Combine like terms: -5 + -35 = -40
-40 + 20z + -5z = 12(z + 1)

Combine like terms: 20z + -5z = 15z
-40 + 15z = 12(z + 1)

Reorder the terms:
-40 + 15z = 12(1 + z)
-40 + 15z = (1 * 12 + z * 12)
-40 + 15z = (12 + 12z)

Solving
-40 + 15z = 12 + 12z

Solving for variable 'z'.

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

Add '-12z' to each side of the equation.
-40 + 15z + -12z = 12 + 12z + -12z

Combine like terms: 15z + -12z = 3z
-40 + 3z = 12 + 12z + -12z

Combine like terms: 12z + -12z = 0
-40 + 3z = 12 + 0
-40 + 3z = 12

Add '40' to each side of the equation.
-40 + 40 + 3z = 12 + 40

Combine like terms: -40 + 40 = 0
0 + 3z = 12 + 40
3z = 12 + 40

Combine like terms: 12 + 40 = 52
3z = 52

Divide each side by '3'.
z = 17.33333333

Simplifying
z = 17.33333333

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