18z+2(-7z-4)=-30-6

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Solution for 18z+2(-7z-4)=-30-6 equation:


Simplifying
18z + 2(-7z + -4) = -30 + -6

Reorder the terms:
18z + 2(-4 + -7z) = -30 + -6
18z + (-4 * 2 + -7z * 2) = -30 + -6
18z + (-8 + -14z) = -30 + -6

Reorder the terms:
-8 + 18z + -14z = -30 + -6

Combine like terms: 18z + -14z = 4z
-8 + 4z = -30 + -6

Combine like terms: -30 + -6 = -36
-8 + 4z = -36

Solving
-8 + 4z = -36

Solving for variable 'z'.

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

Add '8' to each side of the equation.
-8 + 8 + 4z = -36 + 8

Combine like terms: -8 + 8 = 0
0 + 4z = -36 + 8
4z = -36 + 8

Combine like terms: -36 + 8 = -28
4z = -28

Divide each side by '4'.
z = -7

Simplifying
z = -7

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