-1+3a=a+3

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Solution for -1+3a=a+3 equation:


Simplifying
-1 + 3a = a + 3

Reorder the terms:
-1 + 3a = 3 + a

Solving
-1 + 3a = 3 + a

Solving for variable 'a'.

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

Add '-1a' to each side of the equation.
-1 + 3a + -1a = 3 + a + -1a

Combine like terms: 3a + -1a = 2a
-1 + 2a = 3 + a + -1a

Combine like terms: a + -1a = 0
-1 + 2a = 3 + 0
-1 + 2a = 3

Add '1' to each side of the equation.
-1 + 1 + 2a = 3 + 1

Combine like terms: -1 + 1 = 0
0 + 2a = 3 + 1
2a = 3 + 1

Combine like terms: 3 + 1 = 4
2a = 4

Divide each side by '2'.
a = 2

Simplifying
a = 2

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