3a+2(a+5)=15

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


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

Reorder the terms:
3a + 2(5 + a) = 15
3a + (5 * 2 + a * 2) = 15
3a + (10 + 2a) = 15

Reorder the terms:
10 + 3a + 2a = 15

Combine like terms: 3a + 2a = 5a
10 + 5a = 15

Solving
10 + 5a = 15

Solving for variable 'a'.

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

Add '-10' to each side of the equation.
10 + -10 + 5a = 15 + -10

Combine like terms: 10 + -10 = 0
0 + 5a = 15 + -10
5a = 15 + -10

Combine like terms: 15 + -10 = 5
5a = 5

Divide each side by '5'.
a = 1

Simplifying
a = 1

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