3z+15=z+25

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Solution for 3z+15=z+25 equation:


Simplifying
3z + 15 = z + 25

Reorder the terms:
15 + 3z = z + 25

Reorder the terms:
15 + 3z = 25 + z

Solving
15 + 3z = 25 + 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.
15 + 3z + -1z = 25 + z + -1z

Combine like terms: 3z + -1z = 2z
15 + 2z = 25 + z + -1z

Combine like terms: z + -1z = 0
15 + 2z = 25 + 0
15 + 2z = 25

Add '-15' to each side of the equation.
15 + -15 + 2z = 25 + -15

Combine like terms: 15 + -15 = 0
0 + 2z = 25 + -15
2z = 25 + -15

Combine like terms: 25 + -15 = 10
2z = 10

Divide each side by '2'.
z = 5

Simplifying
z = 5

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