2z-30=3z-15

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Solution for 2z-30=3z-15 equation:


Simplifying
2z + -30 = 3z + -15

Reorder the terms:
-30 + 2z = 3z + -15

Reorder the terms:
-30 + 2z = -15 + 3z

Solving
-30 + 2z = -15 + 3z

Solving for variable 'z'.

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

Add '-3z' to each side of the equation.
-30 + 2z + -3z = -15 + 3z + -3z

Combine like terms: 2z + -3z = -1z
-30 + -1z = -15 + 3z + -3z

Combine like terms: 3z + -3z = 0
-30 + -1z = -15 + 0
-30 + -1z = -15

Add '30' to each side of the equation.
-30 + 30 + -1z = -15 + 30

Combine like terms: -30 + 30 = 0
0 + -1z = -15 + 30
-1z = -15 + 30

Combine like terms: -15 + 30 = 15
-1z = 15

Divide each side by '-1'.
z = -15

Simplifying
z = -15

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