45=8r-3

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Solution for 45=8r-3 equation:


Simplifying
45 = 8r + -3

Reorder the terms:
45 = -3 + 8r

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

Combine like terms: 8r + -8r = 0
45 + -8r = -3 + 0
45 + -8r = -3

Add '-45' to each side of the equation.
45 + -45 + -8r = -3 + -45

Combine like terms: 45 + -45 = 0
0 + -8r = -3 + -45
-8r = -3 + -45

Combine like terms: -3 + -45 = -48
-8r = -48

Divide each side by '-8'.
r = 6

Simplifying
r = 6

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