12z-7=2z+2+9z

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Solution for 12z-7=2z+2+9z equation:


Simplifying
12z + -7 = 2z + 2 + 9z

Reorder the terms:
-7 + 12z = 2z + 2 + 9z

Reorder the terms:
-7 + 12z = 2 + 2z + 9z

Combine like terms: 2z + 9z = 11z
-7 + 12z = 2 + 11z

Solving
-7 + 12z = 2 + 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.
-7 + 12z + -11z = 2 + 11z + -11z

Combine like terms: 12z + -11z = 1z
-7 + 1z = 2 + 11z + -11z

Combine like terms: 11z + -11z = 0
-7 + 1z = 2 + 0
-7 + 1z = 2

Add '7' to each side of the equation.
-7 + 7 + 1z = 2 + 7

Combine like terms: -7 + 7 = 0
0 + 1z = 2 + 7
1z = 2 + 7

Combine like terms: 2 + 7 = 9
1z = 9

Divide each side by '1'.
z = 9

Simplifying
z = 9

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