7x-12x-5=45+12

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Solution for 7x-12x-5=45+12 equation:


Simplifying
7x + -12x + -5 = 45 + 12

Reorder the terms:
-5 + 7x + -12x = 45 + 12

Combine like terms: 7x + -12x = -5x
-5 + -5x = 45 + 12

Combine like terms: 45 + 12 = 57
-5 + -5x = 57

Solving
-5 + -5x = 57

Solving for variable 'x'.

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

Add '5' to each side of the equation.
-5 + 5 + -5x = 57 + 5

Combine like terms: -5 + 5 = 0
0 + -5x = 57 + 5
-5x = 57 + 5

Combine like terms: 57 + 5 = 62
-5x = 62

Divide each side by '-5'.
x = -12.4

Simplifying
x = -12.4

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