-15x+3x-5=-77

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Solution for -15x+3x-5=-77 equation:


Simplifying
-15x + 3x + -5 = -77

Reorder the terms:
-5 + -15x + 3x = -77

Combine like terms: -15x + 3x = -12x
-5 + -12x = -77

Solving
-5 + -12x = -77

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 + -12x = -77 + 5

Combine like terms: -5 + 5 = 0
0 + -12x = -77 + 5
-12x = -77 + 5

Combine like terms: -77 + 5 = -72
-12x = -72

Divide each side by '-12'.
x = 6

Simplifying
x = 6

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