3.5+.25(r)=20

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Solution for 3.5+.25(r)=20 equation: 


Simplifying
3.5 + 0.25(r) = 20

Solving
3.5 + 0.25r = 20

Solving for variable 'r'.

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

Add '-3.5' to each side of the equation.
3.5 + -3.5 + 0.25r = 20 + -3.5

Combine like terms: 3.5 + -3.5 = 0.0
0.0 + 0.25r = 20 + -3.5
0.25r = 20 + -3.5

Combine like terms: 20 + -3.5 = 16.5
0.25r = 16.5

Divide each side by '0.25'.
r = 66

Simplifying
r = 66

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