9-2x-7-12z=4

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Solution for 9-2x-7-12z=4 equation: 


Simplifying
9 + -2x + -7 + -12z = 4

Reorder the terms:
9 + -7 + -2x + -12z = 4

Combine like terms: 9 + -7 = 2
2 + -2x + -12z = 4

Solving
2 + -2x + -12z = 4

Solving for variable 'x'.

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

Add '-2' to each side of the equation.
2 + -2x + -2 + -12z = 4 + -2

Reorder the terms:
2 + -2 + -2x + -12z = 4 + -2

Combine like terms: 2 + -2 = 0
0 + -2x + -12z = 4 + -2
-2x + -12z = 4 + -2

Combine like terms: 4 + -2 = 2
-2x + -12z = 2

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

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

Divide each side by '-2'.
x = -1 + -6z

Simplifying
x = -1 + -6z

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