-45+3r=8r

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Solution for -45+3r=8r equation:


Simplifying
-45 + 3r = 8r

Solving
-45 + 3r = 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 + 3r + -8r = 8r + -8r

Combine like terms: 3r + -8r = -5r
-45 + -5r = 8r + -8r

Combine like terms: 8r + -8r = 0
-45 + -5r = 0

Add '45' to each side of the equation.
-45 + 45 + -5r = 0 + 45

Combine like terms: -45 + 45 = 0
0 + -5r = 0 + 45
-5r = 0 + 45

Combine like terms: 0 + 45 = 45
-5r = 45

Divide each side by '-5'.
r = -9

Simplifying
r = -9

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