3(4z+1)-4(z-9)=

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Solution for 3(4z+1)-4(z-9)= equation:


Simplifying
3(4z + 1) + -4(z + -9) = 0

Reorder the terms:
3(1 + 4z) + -4(z + -9) = 0
(1 * 3 + 4z * 3) + -4(z + -9) = 0
(3 + 12z) + -4(z + -9) = 0

Reorder the terms:
3 + 12z + -4(-9 + z) = 0
3 + 12z + (-9 * -4 + z * -4) = 0
3 + 12z + (36 + -4z) = 0

Reorder the terms:
3 + 36 + 12z + -4z = 0

Combine like terms: 3 + 36 = 39
39 + 12z + -4z = 0

Combine like terms: 12z + -4z = 8z
39 + 8z = 0

Solving
39 + 8z = 0

Solving for variable 'z'.

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

Add '-39' to each side of the equation.
39 + -39 + 8z = 0 + -39

Combine like terms: 39 + -39 = 0
0 + 8z = 0 + -39
8z = 0 + -39

Combine like terms: 0 + -39 = -39
8z = -39

Divide each side by '8'.
z = -4.875

Simplifying
z = -4.875

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