20-x+18=28

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Solution for 20-x+18=28 equation:


Simplifying
20 + -1x + 18 = 28

Reorder the terms:
20 + 18 + -1x = 28

Combine like terms: 20 + 18 = 38
38 + -1x = 28

Solving
38 + -1x = 28

Solving for variable 'x'.

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

Add '-38' to each side of the equation.
38 + -38 + -1x = 28 + -38

Combine like terms: 38 + -38 = 0
0 + -1x = 28 + -38
-1x = 28 + -38

Combine like terms: 28 + -38 = -10
-1x = -10

Divide each side by '-1'.
x = 10

Simplifying
x = 10

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