49-x=20

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Solution for 49-x=20 equation: 


Simplifying
49 + -1x = 20

Solving
49 + -1x = 20

Solving for variable 'x'.

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

Add '-49' to each side of the equation.
49 + -49 + -1x = 20 + -49

Combine like terms: 49 + -49 = 0
0 + -1x = 20 + -49
-1x = 20 + -49

Combine like terms: 20 + -49 = -29
-1x = -29

Divide each side by '-1'.
x = 29

Simplifying
x = 29

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