2r+16=40

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Solution for 2r+16=40 equation: 


Simplifying
2r + 16 = 40

Reorder the terms:
16 + 2r = 40

Solving
16 + 2r = 40

Solving for variable 'r'.

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

Add '-16' to each side of the equation.
16 + -16 + 2r = 40 + -16

Combine like terms: 16 + -16 = 0
0 + 2r = 40 + -16
2r = 40 + -16

Combine like terms: 40 + -16 = 24
2r = 24

Divide each side by '2'.
r = 12

Simplifying
r = 12

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