75=23-r

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Solution for 75=23-r equation:


Simplifying
75 = 23 + -1r

Solving
75 = 23 + -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.
75 + r = 23 + -1r + r

Combine like terms: -1r + r = 0
75 + r = 23 + 0
75 + r = 23

Add '-75' to each side of the equation.
75 + -75 + r = 23 + -75

Combine like terms: 75 + -75 = 0
0 + r = 23 + -75
r = 23 + -75

Combine like terms: 23 + -75 = -52
r = -52

Simplifying
r = -52

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