2x-45=x+30

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Solution for 2x-45=x+30 equation:


Simplifying
2x + -45 = x + 30

Reorder the terms:
-45 + 2x = x + 30

Reorder the terms:
-45 + 2x = 30 + x

Solving
-45 + 2x = 30 + 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.
-45 + 2x + -1x = 30 + x + -1x

Combine like terms: 2x + -1x = 1x
-45 + 1x = 30 + x + -1x

Combine like terms: x + -1x = 0
-45 + 1x = 30 + 0
-45 + 1x = 30

Add '45' to each side of the equation.
-45 + 45 + 1x = 30 + 45

Combine like terms: -45 + 45 = 0
0 + 1x = 30 + 45
1x = 30 + 45

Combine like terms: 30 + 45 = 75
1x = 75

Divide each side by '1'.
x = 75

Simplifying
x = 75

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