7z-9z-12z+13z-(-18)=-q

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Solution for 7z-9z-12z+13z-(-18)=-q equation:


Simplifying
7z + -9z + -12z + 13z + -1(-18) = -1q

Multiply -1 * -18
7z + -9z + -12z + 13z + 18 = -1q

Reorder the terms:
18 + 7z + -9z + -12z + 13z = -1q

Combine like terms: 7z + -9z = -2z
18 + -2z + -12z + 13z = -1q

Combine like terms: -2z + -12z = -14z
18 + -14z + 13z = -1q

Combine like terms: -14z + 13z = -1z
18 + -1z = -1q

Solving
18 + -1z = -1q

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 + -1z = -18 + -1q

Combine like terms: 18 + -18 = 0
0 + -1z = -18 + -1q
-1z = -18 + -1q

Divide each side by '-1'.
z = 18 + q

Simplifying
z = 18 + q

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