3(r+4)+2=20

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Solution for 3(r+4)+2=20 equation: 


Simplifying
3(r + 4) + 2 = 20

Reorder the terms:
3(4 + r) + 2 = 20
(4 * 3 + r * 3) + 2 = 20
(12 + 3r) + 2 = 20

Reorder the terms:
12 + 2 + 3r = 20

Combine like terms: 12 + 2 = 14
14 + 3r = 20

Solving
14 + 3r = 20

Solving for variable 'r'.

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

Add '-14' to each side of the equation.
14 + -14 + 3r = 20 + -14

Combine like terms: 14 + -14 = 0
0 + 3r = 20 + -14
3r = 20 + -14

Combine like terms: 20 + -14 = 6
3r = 6

Divide each side by '3'.
r = 2

Simplifying
r = 2

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