-4z+12-z=15-2z-9

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Solution for -4z+12-z=15-2z-9 equation:


Simplifying
-4z + 12 + -1z = 15 + -2z + -9

Reorder the terms:
12 + -4z + -1z = 15 + -2z + -9

Combine like terms: -4z + -1z = -5z
12 + -5z = 15 + -2z + -9

Reorder the terms:
12 + -5z = 15 + -9 + -2z

Combine like terms: 15 + -9 = 6
12 + -5z = 6 + -2z

Solving
12 + -5z = 6 + -2z

Solving for variable 'z'.

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

Add '2z' to each side of the equation.
12 + -5z + 2z = 6 + -2z + 2z

Combine like terms: -5z + 2z = -3z
12 + -3z = 6 + -2z + 2z

Combine like terms: -2z + 2z = 0
12 + -3z = 6 + 0
12 + -3z = 6

Add '-12' to each side of the equation.
12 + -12 + -3z = 6 + -12

Combine like terms: 12 + -12 = 0
0 + -3z = 6 + -12
-3z = 6 + -12

Combine like terms: 6 + -12 = -6
-3z = -6

Divide each side by '-3'.
z = 2

Simplifying
z = 2

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