-75=7r+9

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Solution for -75=7r+9 equation:


Simplifying
-75 = 7r + 9

Reorder the terms:
-75 = 9 + 7r

Solving
-75 = 9 + 7r

Solving for variable 'r'.

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

Add '-7r' to each side of the equation.
-75 + -7r = 9 + 7r + -7r

Combine like terms: 7r + -7r = 0
-75 + -7r = 9 + 0
-75 + -7r = 9

Add '75' to each side of the equation.
-75 + 75 + -7r = 9 + 75

Combine like terms: -75 + 75 = 0
0 + -7r = 9 + 75
-7r = 9 + 75

Combine like terms: 9 + 75 = 84
-7r = 84

Divide each side by '-7'.
r = -12

Simplifying
r = -12

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