3(a+2)+a+5=15

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Solution for 3(a+2)+a+5=15 equation:


Simplifying
3(a + 2) + a + 5 = 15

Reorder the terms:
3(2 + a) + a + 5 = 15
(2 * 3 + a * 3) + a + 5 = 15
(6 + 3a) + a + 5 = 15

Reorder the terms:
6 + 5 + 3a + a = 15

Combine like terms: 6 + 5 = 11
11 + 3a + a = 15

Combine like terms: 3a + a = 4a
11 + 4a = 15

Solving
11 + 4a = 15

Solving for variable 'a'.

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

Add '-11' to each side of the equation.
11 + -11 + 4a = 15 + -11

Combine like terms: 11 + -11 = 0
0 + 4a = 15 + -11
4a = 15 + -11

Combine like terms: 15 + -11 = 4
4a = 4

Divide each side by '4'.
a = 1

Simplifying
a = 1

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