22=43-r

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Solution for 22=43-r equation:


Simplifying
22 = 43 + -1r

Solving
22 = 43 + -1r

Solving for variable 'r'.

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

Add 'r' to each side of the equation.
22 + r = 43 + -1r + r

Combine like terms: -1r + r = 0
22 + r = 43 + 0
22 + r = 43

Add '-22' to each side of the equation.
22 + -22 + r = 43 + -22

Combine like terms: 22 + -22 = 0
0 + r = 43 + -22
r = 43 + -22

Combine like terms: 43 + -22 = 21
r = 21

Simplifying
r = 21

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