7(r+2)=42

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Solution for 7(r+2)=42 equation: 


Simplifying
7(r + 2) = 42

Reorder the terms:
7(2 + r) = 42
(2 * 7 + r * 7) = 42
(14 + 7r) = 42

Solving
14 + 7r = 42

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 + 7r = 42 + -14

Combine like terms: 14 + -14 = 0
0 + 7r = 42 + -14
7r = 42 + -14

Combine like terms: 42 + -14 = 28
7r = 28

Divide each side by '7'.
r = 4

Simplifying
r = 4

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