5+7z=9z+13

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Solution for 5+7z=9z+13 equation:


Simplifying
5 + 7z = 9z + 13

Reorder the terms:
5 + 7z = 13 + 9z

Solving
5 + 7z = 13 + 9z

Solving for variable 'z'.

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

Add '-9z' to each side of the equation.
5 + 7z + -9z = 13 + 9z + -9z

Combine like terms: 7z + -9z = -2z
5 + -2z = 13 + 9z + -9z

Combine like terms: 9z + -9z = 0
5 + -2z = 13 + 0
5 + -2z = 13

Add '-5' to each side of the equation.
5 + -5 + -2z = 13 + -5

Combine like terms: 5 + -5 = 0
0 + -2z = 13 + -5
-2z = 13 + -5

Combine like terms: 13 + -5 = 8
-2z = 8

Divide each side by '-2'.
z = -4

Simplifying
z = -4

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