3(-9+2z)-18z=-15

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Solution for 3(-9+2z)-18z=-15 equation:


Simplifying
3(-9 + 2z) + -18z = -15
(-9 * 3 + 2z * 3) + -18z = -15
(-27 + 6z) + -18z = -15

Combine like terms: 6z + -18z = -12z
-27 + -12z = -15

Solving
-27 + -12z = -15

Solving for variable 'z'.

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

Add '27' to each side of the equation.
-27 + 27 + -12z = -15 + 27

Combine like terms: -27 + 27 = 0
0 + -12z = -15 + 27
-12z = -15 + 27

Combine like terms: -15 + 27 = 12
-12z = 12

Divide each side by '-12'.
z = -1

Simplifying
z = -1

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