1.89+0.25r=3.80

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Solution for 1.89+0.25r=3.80 equation: 


Simplifying
1.89 + 0.25r = 3.80

Solving
1.89 + 0.25r = 3.80

Solving for variable 'r'.

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

Add '-1.89' to each side of the equation.
1.89 + -1.89 + 0.25r = 3.80 + -1.89

Combine like terms: 1.89 + -1.89 = 0.00
0.00 + 0.25r = 3.80 + -1.89
0.25r = 3.80 + -1.89

Combine like terms: 3.80 + -1.89 = 1.91
0.25r = 1.91

Divide each side by '0.25'.
r = 7.64

Simplifying
r = 7.64

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