89=28+r

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Solution for 89=28+r equation:


Simplifying
89 = 28 + r

Solving
89 = 28 + r

Solving for variable 'r'.

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

Add '-1r' to each side of the equation.
89 + -1r = 28 + r + -1r

Combine like terms: r + -1r = 0
89 + -1r = 28 + 0
89 + -1r = 28

Add '-89' to each side of the equation.
89 + -89 + -1r = 28 + -89

Combine like terms: 89 + -89 = 0
0 + -1r = 28 + -89
-1r = 28 + -89

Combine like terms: 28 + -89 = -61
-1r = -61

Divide each side by '-1'.
r = 61

Simplifying
r = 61

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