-99=12(z-3)+6z

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Solution for -99=12(z-3)+6z equation:


Simplifying
-99 = 12(z + -3) + 6z

Reorder the terms:
-99 = 12(-3 + z) + 6z
-99 = (-3 * 12 + z * 12) + 6z
-99 = (-36 + 12z) + 6z

Combine like terms: 12z + 6z = 18z
-99 = -36 + 18z

Solving
-99 = -36 + 18z

Solving for variable 'z'.

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

Add '-18z' to each side of the equation.
-99 + -18z = -36 + 18z + -18z

Combine like terms: 18z + -18z = 0
-99 + -18z = -36 + 0
-99 + -18z = -36

Add '99' to each side of the equation.
-99 + 99 + -18z = -36 + 99

Combine like terms: -99 + 99 = 0
0 + -18z = -36 + 99
-18z = -36 + 99

Combine like terms: -36 + 99 = 63
-18z = 63

Divide each side by '-18'.
z = -3.5

Simplifying
z = -3.5

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