-2z+15=4

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Solution for -2z+15=4 equation: 


Simplifying
-2z + 15 = 4

Reorder the terms:
15 + -2z = 4

Solving
15 + -2z = 4

Solving for variable 'z'.

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

Add '-15' to each side of the equation.
15 + -15 + -2z = 4 + -15

Combine like terms: 15 + -15 = 0
0 + -2z = 4 + -15
-2z = 4 + -15

Combine like terms: 4 + -15 = -11
-2z = -11

Divide each side by '-2'.
z = 5.5

Simplifying
z = 5.5

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