3(r+5+9)=36

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Solution for 3(r+5+9)=36 equation:


Simplifying
3(r + 5 + 9) = 36

Reorder the terms:
3(5 + 9 + r) = 36

Combine like terms: 5 + 9 = 14
3(14 + r) = 36
(14 * 3 + r * 3) = 36
(42 + 3r) = 36

Solving
42 + 3r = 36

Solving for variable 'r'.

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

Add '-42' to each side of the equation.
42 + -42 + 3r = 36 + -42

Combine like terms: 42 + -42 = 0
0 + 3r = 36 + -42
3r = 36 + -42

Combine like terms: 36 + -42 = -6
3r = -6

Divide each side by '3'.
r = -2

Simplifying
r = -2

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