2(r+4)+3=15

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Solution for 2(r+4)+3=15 equation: 


Simplifying
2(r + 4) + 3 = 15

Reorder the terms:
2(4 + r) + 3 = 15
(4 * 2 + r * 2) + 3 = 15
(8 + 2r) + 3 = 15

Reorder the terms:
8 + 3 + 2r = 15

Combine like terms: 8 + 3 = 11
11 + 2r = 15

Solving
11 + 2r = 15

Solving for variable 'r'.

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

Add '-11' to each side of the equation.
11 + -11 + 2r = 15 + -11

Combine like terms: 11 + -11 = 0
0 + 2r = 15 + -11
2r = 15 + -11

Combine like terms: 15 + -11 = 4
2r = 4

Divide each side by '2'.
r = 2

Simplifying
r = 2

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