25+.45r=40+.25r

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Solution for 25+.45r=40+.25r equation:


Simplifying
25 + 0.45r = 40 + 0.25r

Solving
25 + 0.45r = 40 + 0.25r

Solving for variable 'r'.

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

Add '-0.25r' to each side of the equation.
25 + 0.45r + -0.25r = 40 + 0.25r + -0.25r

Combine like terms: 0.45r + -0.25r = 0.2r
25 + 0.2r = 40 + 0.25r + -0.25r

Combine like terms: 0.25r + -0.25r = 0.00
25 + 0.2r = 40 + 0.00
25 + 0.2r = 40

Add '-25' to each side of the equation.
25 + -25 + 0.2r = 40 + -25

Combine like terms: 25 + -25 = 0
0 + 0.2r = 40 + -25
0.2r = 40 + -25

Combine like terms: 40 + -25 = 15
0.2r = 15

Divide each side by '0.2'.
r = 75

Simplifying
r = 75

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