45=8r-11

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Solution for 45=8r-11 equation:


Simplifying
45 = 8r + -11

Reorder the terms:
45 = -11 + 8r

Solving
45 = -11 + 8r

Solving for variable 'r'.

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

Add '-8r' to each side of the equation.
45 + -8r = -11 + 8r + -8r

Combine like terms: 8r + -8r = 0
45 + -8r = -11 + 0
45 + -8r = -11

Add '-45' to each side of the equation.
45 + -45 + -8r = -11 + -45

Combine like terms: 45 + -45 = 0
0 + -8r = -11 + -45
-8r = -11 + -45

Combine like terms: -11 + -45 = -56
-8r = -56

Divide each side by '-8'.
r = 7

Simplifying
r = 7

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