7.4r+9+2r=18

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Solution for 7.4r+9+2r=18 equation:


Simplifying
7.4r + 9 + 2r = 18

Reorder the terms:
9 + 7.4r + 2r = 18

Combine like terms: 7.4r + 2r = 9.4r
9 + 9.4r = 18

Solving
9 + 9.4r = 18

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 + 9.4r = 18 + -9

Combine like terms: 9 + -9 = 0
0 + 9.4r = 18 + -9
9.4r = 18 + -9

Combine like terms: 18 + -9 = 9
9.4r = 9

Divide each side by '9.4'.
r = 0.9574468085

Simplifying
r = 0.9574468085

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