z-2z+1=-2+9

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Solution for z-2z+1=-2+9 equation:


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

Reorder the terms:
1 + z + -2z = -2 + 9

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

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

Solving
1 + -1z = 7

Solving for variable 'z'.

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

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

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

Combine like terms: 7 + -1 = 6
-1z = 6

Divide each side by '-1'.
z = -6

Simplifying
z = -6

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