7-9X-5-12X=5

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Solution for 7-9X-5-12X=5 equation:


Simplifying
7 + -9X + -5 + -12X = 5

Reorder the terms:
7 + -5 + -9X + -12X = 5

Combine like terms: 7 + -5 = 2
2 + -9X + -12X = 5

Combine like terms: -9X + -12X = -21X
2 + -21X = 5

Solving
2 + -21X = 5

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 + -2 + -21X = 5 + -2

Combine like terms: 2 + -2 = 0
0 + -21X = 5 + -2
-21X = 5 + -2

Combine like terms: 5 + -2 = 3
-21X = 3

Divide each side by '-21'.
X = -0.1428571429

Simplifying
X = -0.1428571429

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