13-z=2z-8

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Solution for 13-z=2z-8 equation:


Simplifying
13 + -1z = 2z + -8

Reorder the terms:
13 + -1z = -8 + 2z

Solving
13 + -1z = -8 + 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.
13 + -1z + -2z = -8 + 2z + -2z

Combine like terms: -1z + -2z = -3z
13 + -3z = -8 + 2z + -2z

Combine like terms: 2z + -2z = 0
13 + -3z = -8 + 0
13 + -3z = -8

Add '-13' to each side of the equation.
13 + -13 + -3z = -8 + -13

Combine like terms: 13 + -13 = 0
0 + -3z = -8 + -13
-3z = -8 + -13

Combine like terms: -8 + -13 = -21
-3z = -21

Divide each side by '-3'.
z = 7

Simplifying
z = 7

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