15x-125-40=90

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Solution for 15x-125-40=90 equation:


Simplifying
15x + -125 + -40 = 90

Reorder the terms:
-125 + -40 + 15x = 90

Combine like terms: -125 + -40 = -165
-165 + 15x = 90

Solving
-165 + 15x = 90

Solving for variable 'x'.

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

Add '165' to each side of the equation.
-165 + 165 + 15x = 90 + 165

Combine like terms: -165 + 165 = 0
0 + 15x = 90 + 165
15x = 90 + 165

Combine like terms: 90 + 165 = 255
15x = 255

Divide each side by '15'.
x = 17

Simplifying
x = 17

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