2z-7=z+18

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Solution for 2z-7=z+18 equation:


Simplifying
2z + -7 = z + 18

Reorder the terms:
-7 + 2z = z + 18

Reorder the terms:
-7 + 2z = 18 + z

Solving
-7 + 2z = 18 + 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.
-7 + 2z + -1z = 18 + z + -1z

Combine like terms: 2z + -1z = 1z
-7 + 1z = 18 + z + -1z

Combine like terms: z + -1z = 0
-7 + 1z = 18 + 0
-7 + 1z = 18

Add '7' to each side of the equation.
-7 + 7 + 1z = 18 + 7

Combine like terms: -7 + 7 = 0
0 + 1z = 18 + 7
1z = 18 + 7

Combine like terms: 18 + 7 = 25
1z = 25

Divide each side by '1'.
z = 25

Simplifying
z = 25

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