20-x+17=25

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Solution for 20-x+17=25 equation:


Simplifying
20 + -1x + 17 = 25

Reorder the terms:
20 + 17 + -1x = 25

Combine like terms: 20 + 17 = 37
37 + -1x = 25

Solving
37 + -1x = 25

Solving for variable 'x'.

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

Add '-37' to each side of the equation.
37 + -37 + -1x = 25 + -37

Combine like terms: 37 + -37 = 0
0 + -1x = 25 + -37
-1x = 25 + -37

Combine like terms: 25 + -37 = -12
-1x = -12

Divide each side by '-1'.
x = 12

Simplifying
x = 12

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