-8x-7x-9=36

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Solution for -8x-7x-9=36 equation: 


Simplifying
-8x + -7x + -9 = 36

Reorder the terms:
-9 + -8x + -7x = 36

Combine like terms: -8x + -7x = -15x
-9 + -15x = 36

Solving
-9 + -15x = 36

Solving for variable 'x'.

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

Add '9' to each side of the equation.
-9 + 9 + -15x = 36 + 9

Combine like terms: -9 + 9 = 0
0 + -15x = 36 + 9
-15x = 36 + 9

Combine like terms: 36 + 9 = 45
-15x = 45

Divide each side by '-15'.
x = -3

Simplifying
x = -3

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