-9=-(2-10z)+2z

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Solution for -9=-(2-10z)+2z equation:


Simplifying
-9 = -1(2 + -10z) + 2z
-9 = (2 * -1 + -10z * -1) + 2z
-9 = (-2 + 10z) + 2z

Combine like terms: 10z + 2z = 12z
-9 = -2 + 12z

Solving
-9 = -2 + 12z

Solving for variable 'z'.

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

Add '-12z' to each side of the equation.
-9 + -12z = -2 + 12z + -12z

Combine like terms: 12z + -12z = 0
-9 + -12z = -2 + 0
-9 + -12z = -2

Add '9' to each side of the equation.
-9 + 9 + -12z = -2 + 9

Combine like terms: -9 + 9 = 0
0 + -12z = -2 + 9
-12z = -2 + 9

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

Divide each side by '-12'.
z = -0.5833333333

Simplifying
z = -0.5833333333

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