6(r+2)-4=20

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Solution for 6(r+2)-4=20 equation:


Simplifying
6(r + 2) + -4 = 20

Reorder the terms:
6(2 + r) + -4 = 20
(2 * 6 + r * 6) + -4 = 20
(12 + 6r) + -4 = 20

Reorder the terms:
12 + -4 + 6r = 20

Combine like terms: 12 + -4 = 8
8 + 6r = 20

Solving
8 + 6r = 20

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 + 6r = 20 + -8

Combine like terms: 8 + -8 = 0
0 + 6r = 20 + -8
6r = 20 + -8

Combine like terms: 20 + -8 = 12
6r = 12

Divide each side by '6'.
r = 2

Simplifying
r = 2

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