2z-8=z+7

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Solution for 2z-8=z+7 equation:


Simplifying
2z + -8 = z + 7

Reorder the terms:
-8 + 2z = z + 7

Reorder the terms:
-8 + 2z = 7 + z

Solving
-8 + 2z = 7 + z

Solving for variable 'z'.

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

Add '-1z' to each side of the equation.
-8 + 2z + -1z = 7 + z + -1z

Combine like terms: 2z + -1z = 1z
-8 + 1z = 7 + z + -1z

Combine like terms: z + -1z = 0
-8 + 1z = 7 + 0
-8 + 1z = 7

Add '8' to each side of the equation.
-8 + 8 + 1z = 7 + 8

Combine like terms: -8 + 8 = 0
0 + 1z = 7 + 8
1z = 7 + 8

Combine like terms: 7 + 8 = 15
1z = 15

Divide each side by '1'.
z = 15

Simplifying
z = 15

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