7.4r-9-2=18

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


Simplifying
7.4r + -9 + -2 = 18

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

Combine like terms: -9 + -2 = -11
-11 + 7.4r = 18

Solving
-11 + 7.4r = 18

Solving for variable 'r'.

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

Add '11' to each side of the equation.
-11 + 11 + 7.4r = 18 + 11

Combine like terms: -11 + 11 = 0
0 + 7.4r = 18 + 11
7.4r = 18 + 11

Combine like terms: 18 + 11 = 29
7.4r = 29

Divide each side by '7.4'.
r = 3.918918919

Simplifying
r = 3.918918919

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