3a+15+2a=30

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Solution for 3a+15+2a=30 equation:


Simplifying
3a + 15 + 2a = 30

Reorder the terms:
15 + 3a + 2a = 30

Combine like terms: 3a + 2a = 5a
15 + 5a = 30

Solving
15 + 5a = 30

Solving for variable 'a'.

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

Add '-15' to each side of the equation.
15 + -15 + 5a = 30 + -15

Combine like terms: 15 + -15 = 0
0 + 5a = 30 + -15
5a = 30 + -15

Combine like terms: 30 + -15 = 15
5a = 15

Divide each side by '5'.
a = 3

Simplifying
a = 3

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