29-2x=21

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Solution for 29-2x=21 equation: 


Simplifying
29 + -2x = 21

Solving
29 + -2x = 21

Solving for variable 'x'.

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

Add '-29' to each side of the equation.
29 + -29 + -2x = 21 + -29

Combine like terms: 29 + -29 = 0
0 + -2x = 21 + -29
-2x = 21 + -29

Combine like terms: 21 + -29 = -8
-2x = -8

Divide each side by '-2'.
x = 4

Simplifying
x = 4

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