a+3a+a-2=3

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Solution for a+3a+a-2=3 equation:


Simplifying
a + 3a + a + -2 = 3

Reorder the terms:
-2 + a + 3a + a = 3

Combine like terms: a + 3a = 4a
-2 + 4a + a = 3

Combine like terms: 4a + a = 5a
-2 + 5a = 3

Solving
-2 + 5a = 3

Solving for variable 'a'.

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

Add '2' to each side of the equation.
-2 + 2 + 5a = 3 + 2

Combine like terms: -2 + 2 = 0
0 + 5a = 3 + 2
5a = 3 + 2

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

Divide each side by '5'.
a = 1

Simplifying
a = 1

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