5z+9=z+15

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Solution for 5z+9=z+15 equation:


Simplifying
5z + 9 = z + 15

Reorder the terms:
9 + 5z = z + 15

Reorder the terms:
9 + 5z = 15 + z

Solving
9 + 5z = 15 + 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.
9 + 5z + -1z = 15 + z + -1z

Combine like terms: 5z + -1z = 4z
9 + 4z = 15 + z + -1z

Combine like terms: z + -1z = 0
9 + 4z = 15 + 0
9 + 4z = 15

Add '-9' to each side of the equation.
9 + -9 + 4z = 15 + -9

Combine like terms: 9 + -9 = 0
0 + 4z = 15 + -9
4z = 15 + -9

Combine like terms: 15 + -9 = 6
4z = 6

Divide each side by '4'.
z = 1.5

Simplifying
z = 1.5

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