2x-15=40

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Solution for 2x-15=40 equation: 


Simplifying
2x + -15 = 40

Reorder the terms:
-15 + 2x = 40

Solving
-15 + 2x = 40

Solving for variable 'x'.

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

Add '15' to each side of the equation.
-15 + 15 + 2x = 40 + 15

Combine like terms: -15 + 15 = 0
0 + 2x = 40 + 15
2x = 40 + 15

Combine like terms: 40 + 15 = 55
2x = 55

Divide each side by '2'.
x = 27.5

Simplifying
x = 27.5

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