3(r+3)=r+11

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Solution for 3(r+3)=r+11 equation:


Simplifying
3(r + 3) = r + 11

Reorder the terms:
3(3 + r) = r + 11
(3 * 3 + r * 3) = r + 11
(9 + 3r) = r + 11

Reorder the terms:
9 + 3r = 11 + r

Solving
9 + 3r = 11 + r

Solving for variable 'r'.

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

Add '-1r' to each side of the equation.
9 + 3r + -1r = 11 + r + -1r

Combine like terms: 3r + -1r = 2r
9 + 2r = 11 + r + -1r

Combine like terms: r + -1r = 0
9 + 2r = 11 + 0
9 + 2r = 11

Add '-9' to each side of the equation.
9 + -9 + 2r = 11 + -9

Combine like terms: 9 + -9 = 0
0 + 2r = 11 + -9
2r = 11 + -9

Combine like terms: 11 + -9 = 2
2r = 2

Divide each side by '2'.
r = 1

Simplifying
r = 1

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