-2(z-7)-3(2z-2)=

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Solution for -2(z-7)-3(2z-2)= equation:


Simplifying
-2(z + -7) + -3(2z + -2) = 0

Reorder the terms:
-2(-7 + z) + -3(2z + -2) = 0
(-7 * -2 + z * -2) + -3(2z + -2) = 0
(14 + -2z) + -3(2z + -2) = 0

Reorder the terms:
14 + -2z + -3(-2 + 2z) = 0
14 + -2z + (-2 * -3 + 2z * -3) = 0
14 + -2z + (6 + -6z) = 0

Reorder the terms:
14 + 6 + -2z + -6z = 0

Combine like terms: 14 + 6 = 20
20 + -2z + -6z = 0

Combine like terms: -2z + -6z = -8z
20 + -8z = 0

Solving
20 + -8z = 0

Solving for variable 'z'.

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

Add '-20' to each side of the equation.
20 + -20 + -8z = 0 + -20

Combine like terms: 20 + -20 = 0
0 + -8z = 0 + -20
-8z = 0 + -20

Combine like terms: 0 + -20 = -20
-8z = -20

Divide each side by '-8'.
z = 2.5

Simplifying
z = 2.5

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