3+3(2z-5)-3(4z+8)-6=

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Solution for 3+3(2z-5)-3(4z+8)-6= equation:


Simplifying
3 + 3(2z + -5) + -3(4z + 8) + -6 = 0

Reorder the terms:
3 + 3(-5 + 2z) + -3(4z + 8) + -6 = 0
3 + (-5 * 3 + 2z * 3) + -3(4z + 8) + -6 = 0
3 + (-15 + 6z) + -3(4z + 8) + -6 = 0

Reorder the terms:
3 + -15 + 6z + -3(8 + 4z) + -6 = 0
3 + -15 + 6z + (8 * -3 + 4z * -3) + -6 = 0
3 + -15 + 6z + (-24 + -12z) + -6 = 0

Reorder the terms:
3 + -15 + -24 + -6 + 6z + -12z = 0

Combine like terms: 3 + -15 = -12
-12 + -24 + -6 + 6z + -12z = 0

Combine like terms: -12 + -24 = -36
-36 + -6 + 6z + -12z = 0

Combine like terms: -36 + -6 = -42
-42 + 6z + -12z = 0

Combine like terms: 6z + -12z = -6z
-42 + -6z = 0

Solving
-42 + -6z = 0

Solving for variable 'z'.

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

Add '42' to each side of the equation.
-42 + 42 + -6z = 0 + 42

Combine like terms: -42 + 42 = 0
0 + -6z = 0 + 42
-6z = 0 + 42

Combine like terms: 0 + 42 = 42
-6z = 42

Divide each side by '-6'.
z = -7

Simplifying
z = -7

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