3(4z-5)-4(z-4)=

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


Simplifying
3(4z + -5) + -4(z + -4) = 0

Reorder the terms:
3(-5 + 4z) + -4(z + -4) = 0
(-5 * 3 + 4z * 3) + -4(z + -4) = 0
(-15 + 12z) + -4(z + -4) = 0

Reorder the terms:
-15 + 12z + -4(-4 + z) = 0
-15 + 12z + (-4 * -4 + z * -4) = 0
-15 + 12z + (16 + -4z) = 0

Reorder the terms:
-15 + 16 + 12z + -4z = 0

Combine like terms: -15 + 16 = 1
1 + 12z + -4z = 0

Combine like terms: 12z + -4z = 8z
1 + 8z = 0

Solving
1 + 8z = 0

Solving for variable 'z'.

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

Add '-1' to each side of the equation.
1 + -1 + 8z = 0 + -1

Combine like terms: 1 + -1 = 0
0 + 8z = 0 + -1
8z = 0 + -1

Combine like terms: 0 + -1 = -1
8z = -1

Divide each side by '8'.
z = -0.125

Simplifying
z = -0.125

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