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

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Solution for 2+3(2z-5)-3(4z+6)-8=0 equation:


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

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

Reorder the terms:
2 + -15 + 6z + -3(6 + 4z) + -8 = 0
2 + -15 + 6z + (6 * -3 + 4z * -3) + -8 = 0
2 + -15 + 6z + (-18 + -12z) + -8 = 0

Reorder the terms:
2 + -15 + -18 + -8 + 6z + -12z = 0

Combine like terms: 2 + -15 = -13
-13 + -18 + -8 + 6z + -12z = 0

Combine like terms: -13 + -18 = -31
-31 + -8 + 6z + -12z = 0

Combine like terms: -31 + -8 = -39
-39 + 6z + -12z = 0

Combine like terms: 6z + -12z = -6z
-39 + -6z = 0

Solving
-39 + -6z = 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 + -6z = 0 + 39

Combine like terms: -39 + 39 = 0
0 + -6z = 0 + 39
-6z = 0 + 39

Combine like terms: 0 + 39 = 39
-6z = 39

Divide each side by '-6'.
z = -6.5

Simplifying
z = -6.5

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