8+9r=-28

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Solution for 8+9r=-28 equation: 


Simplifying
8 + 9r = -28

Solving
8 + 9r = -28

Solving for variable 'r'.

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

Add '-8' to each side of the equation.
8 + -8 + 9r = -28 + -8

Combine like terms: 8 + -8 = 0
0 + 9r = -28 + -8
9r = -28 + -8

Combine like terms: -28 + -8 = -36
9r = -36

Divide each side by '9'.
r = -4

Simplifying
r = -4

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