7+15=9z+2z

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


Simplifying
7 + 15 = 9z + 2z

Combine like terms: 7 + 15 = 22
22 = 9z + 2z

Combine like terms: 9z + 2z = 11z
22 = 11z

Solving
22 = 11z

Solving for variable 'z'.

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

Add '-11z' to each side of the equation.
22 + -11z = 11z + -11z

Combine like terms: 11z + -11z = 0
22 + -11z = 0

Add '-22' to each side of the equation.
22 + -22 + -11z = 0 + -22

Combine like terms: 22 + -22 = 0
0 + -11z = 0 + -22
-11z = 0 + -22

Combine like terms: 0 + -22 = -22
-11z = -22

Divide each side by '-11'.
z = 2

Simplifying
z = 2

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