-6x-4x-40=90

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Solution for -6x-4x-40=90 equation:


Simplifying
-6x + -4x + -40 = 90

Reorder the terms:
-40 + -6x + -4x = 90

Combine like terms: -6x + -4x = -10x
-40 + -10x = 90

Solving
-40 + -10x = 90

Solving for variable 'x'.

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

Add '40' to each side of the equation.
-40 + 40 + -10x = 90 + 40

Combine like terms: -40 + 40 = 0
0 + -10x = 90 + 40
-10x = 90 + 40

Combine like terms: 90 + 40 = 130
-10x = 130

Divide each side by '-10'.
x = -13

Simplifying
x = -13

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