21+x=40+4

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Solution for 21+x=40+4 equation: 


Simplifying
21 + x = 40 + 4

Combine like terms: 40 + 4 = 44
21 + x = 44

Solving
21 + x = 44

Solving for variable 'x'.

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

Add '-21' to each side of the equation.
21 + -21 + x = 44 + -21

Combine like terms: 21 + -21 = 0
0 + x = 44 + -21
x = 44 + -21

Combine like terms: 44 + -21 = 23
x = 23

Simplifying
x = 23

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