7.4r-9-2r=19

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Solution for 7.4r-9-2r=19 equation:


Simplifying
7.4r + -9 + -2r = 19

Reorder the terms:
-9 + 7.4r + -2r = 19

Combine like terms: 7.4r + -2r = 5.4r
-9 + 5.4r = 19

Solving
-9 + 5.4r = 19

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 = 19 + 9

Combine like terms: -9 + 9 = 0
0 + 5.4r = 19 + 9
5.4r = 19 + 9

Combine like terms: 19 + 9 = 28
5.4r = 28

Divide each side by '5.4'.
r = 5.185185185

Simplifying
r = 5.185185185

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