2x-40=x+45

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Solution for 2x-40=x+45 equation:


Simplifying
2x + -40 = x + 45

Reorder the terms:
-40 + 2x = x + 45

Reorder the terms:
-40 + 2x = 45 + x

Solving
-40 + 2x = 45 + x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
-40 + 2x + -1x = 45 + x + -1x

Combine like terms: 2x + -1x = 1x
-40 + 1x = 45 + x + -1x

Combine like terms: x + -1x = 0
-40 + 1x = 45 + 0
-40 + 1x = 45

Add '40' to each side of the equation.
-40 + 40 + 1x = 45 + 40

Combine like terms: -40 + 40 = 0
0 + 1x = 45 + 40
1x = 45 + 40

Combine like terms: 45 + 40 = 85
1x = 85

Divide each side by '1'.
x = 85

Simplifying
x = 85

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