18=-4+2(z-5)

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Solution for 18=-4+2(z-5) equation:


Simplifying
18 = -4 + 2(z + -5)

Reorder the terms:
18 = -4 + 2(-5 + z)
18 = -4 + (-5 * 2 + z * 2)
18 = -4 + (-10 + 2z)

Combine like terms: -4 + -10 = -14
18 = -14 + 2z

Solving
18 = -14 + 2z

Solving for variable 'z'.

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

Add '-2z' to each side of the equation.
18 + -2z = -14 + 2z + -2z

Combine like terms: 2z + -2z = 0
18 + -2z = -14 + 0
18 + -2z = -14

Add '-18' to each side of the equation.
18 + -18 + -2z = -14 + -18

Combine like terms: 18 + -18 = 0
0 + -2z = -14 + -18
-2z = -14 + -18

Combine like terms: -14 + -18 = -32
-2z = -32

Divide each side by '-2'.
z = 16

Simplifying
z = 16

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