x+45-15=20

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Solution for x+45-15=20 equation: 


Simplifying
x + 45 + -15 = 20

Reorder the terms:
45 + -15 + x = 20

Combine like terms: 45 + -15 = 30
30 + x = 20

Solving
30 + x = 20

Solving for variable 'x'.

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

Add '-30' to each side of the equation.
30 + -30 + x = 20 + -30

Combine like terms: 30 + -30 = 0
0 + x = 20 + -30
x = 20 + -30

Combine like terms: 20 + -30 = -10
x = -10

Simplifying
x = -10

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