3+5r+4=18

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Solution for 3+5r+4=18 equation: 


Simplifying
3 + 5r + 4 = 18

Reorder the terms:
3 + 4 + 5r = 18

Combine like terms: 3 + 4 = 7
7 + 5r = 18

Solving
7 + 5r = 18

Solving for variable 'r'.

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

Add '-7' to each side of the equation.
7 + -7 + 5r = 18 + -7

Combine like terms: 7 + -7 = 0
0 + 5r = 18 + -7
5r = 18 + -7

Combine like terms: 18 + -7 = 11
5r = 11

Divide each side by '5'.
r = 2.2

Simplifying
r = 2.2

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