2(2z-9)=-2

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Solution for 2(2z-9)=-2 equation:


Simplifying
2(2z + -9) = -2

Reorder the terms:
2(-9 + 2z) = -2
(-9 * 2 + 2z * 2) = -2
(-18 + 4z) = -2

Solving
-18 + 4z = -2

Solving for variable 'z'.

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

Add '18' to each side of the equation.
-18 + 18 + 4z = -2 + 18

Combine like terms: -18 + 18 = 0
0 + 4z = -2 + 18
4z = -2 + 18

Combine like terms: -2 + 18 = 16
4z = 16

Divide each side by '4'.
z = 4

Simplifying
z = 4

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