7.4r+9-2r=25.2

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Solution for 7.4r+9-2r=25.2 equation:


Simplifying
7.4r + 9 + -2r = 25.2

Reorder the terms:
9 + 7.4r + -2r = 25.2

Combine like terms: 7.4r + -2r = 5.4r
9 + 5.4r = 25.2

Solving
9 + 5.4r = 25.2

Solving for variable 'r'.

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

Add '-9' to each side of the equation.
9 + -9 + 5.4r = 25.2 + -9

Combine like terms: 9 + -9 = 0
0 + 5.4r = 25.2 + -9
5.4r = 25.2 + -9

Combine like terms: 25.2 + -9 = 16.2
5.4r = 16.2

Divide each side by '5.4'.
r = 3

Simplifying
r = 3

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