7x-12x-4=45+15

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Solution for 7x-12x-4=45+15 equation:


Simplifying
7x + -12x + -4 = 45 + 15

Reorder the terms:
-4 + 7x + -12x = 45 + 15

Combine like terms: 7x + -12x = -5x
-4 + -5x = 45 + 15

Combine like terms: 45 + 15 = 60
-4 + -5x = 60

Solving
-4 + -5x = 60

Solving for variable 'x'.

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

Add '4' to each side of the equation.
-4 + 4 + -5x = 60 + 4

Combine like terms: -4 + 4 = 0
0 + -5x = 60 + 4
-5x = 60 + 4

Combine like terms: 60 + 4 = 64
-5x = 64

Divide each side by '-5'.
x = -12.8

Simplifying
x = -12.8

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