2r+3+5=18

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Solution for 2r+3+5=18 equation: 


Simplifying
2r + 3 + 5 = 18

Reorder the terms:
3 + 5 + 2r = 18

Combine like terms: 3 + 5 = 8
8 + 2r = 18

Solving
8 + 2r = 18

Solving for variable 'r'.

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

Add '-8' to each side of the equation.
8 + -8 + 2r = 18 + -8

Combine like terms: 8 + -8 = 0
0 + 2r = 18 + -8
2r = 18 + -8

Combine like terms: 18 + -8 = 10
2r = 10

Divide each side by '2'.
r = 5

Simplifying
r = 5

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