8r+4.50=57.50

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Solution for 8r+4.50=57.50 equation: 


Simplifying
8r + 4.50 = 57.50

Reorder the terms:
4.50 + 8r = 57.50

Solving
4.50 + 8r = 57.50

Solving for variable 'r'.

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

Add '-4.50' to each side of the equation.
4.50 + -4.50 + 8r = 57.50 + -4.50

Combine like terms: 4.50 + -4.50 = 0.00
0.00 + 8r = 57.50 + -4.50
8r = 57.50 + -4.50

Combine like terms: 57.50 + -4.50 = 53
8r = 53

Divide each side by '8'.
r = 6.625

Simplifying
r = 6.625

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