9z-15=-2z+7

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Solution for 9z-15=-2z+7 equation:


Simplifying
9z + -15 = -2z + 7

Reorder the terms:
-15 + 9z = -2z + 7

Reorder the terms:
-15 + 9z = 7 + -2z

Solving
-15 + 9z = 7 + -2z

Solving for variable 'z'.

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

Add '2z' to each side of the equation.
-15 + 9z + 2z = 7 + -2z + 2z

Combine like terms: 9z + 2z = 11z
-15 + 11z = 7 + -2z + 2z

Combine like terms: -2z + 2z = 0
-15 + 11z = 7 + 0
-15 + 11z = 7

Add '15' to each side of the equation.
-15 + 15 + 11z = 7 + 15

Combine like terms: -15 + 15 = 0
0 + 11z = 7 + 15
11z = 7 + 15

Combine like terms: 7 + 15 = 22
11z = 22

Divide each side by '11'.
z = 2

Simplifying
z = 2

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