2-2z=9-z

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Solution for 2-2z=9-z equation:


Simplifying
2 + -2z = 9 + -1z

Solving
2 + -2z = 9 + -1z

Solving for variable 'z'.

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

Add 'z' to each side of the equation.
2 + -2z + z = 9 + -1z + z

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

Combine like terms: -1z + z = 0
2 + -1z = 9 + 0
2 + -1z = 9

Add '-2' to each side of the equation.
2 + -2 + -1z = 9 + -2

Combine like terms: 2 + -2 = 0
0 + -1z = 9 + -2
-1z = 9 + -2

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

Divide each side by '-1'.
z = -7

Simplifying
z = -7

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