9=-2z+13

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Solution for 9=-2z+13 equation:


Simplifying
9 = -2z + 13

Reorder the terms:
9 = 13 + -2z

Solving
9 = 13 + -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.
9 + 2z = 13 + -2z + 2z

Combine like terms: -2z + 2z = 0
9 + 2z = 13 + 0
9 + 2z = 13

Add '-9' to each side of the equation.
9 + -9 + 2z = 13 + -9

Combine like terms: 9 + -9 = 0
0 + 2z = 13 + -9
2z = 13 + -9

Combine like terms: 13 + -9 = 4
2z = 4

Divide each side by '2'.
z = 2

Simplifying
z = 2

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