a+1+3a=5

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Solution for a+1+3a=5 equation: 


Simplifying
a + 1 + 3a = 5

Reorder the terms:
1 + a + 3a = 5

Combine like terms: a + 3a = 4a
1 + 4a = 5

Solving
1 + 4a = 5

Solving for variable 'a'.

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

Add '-1' to each side of the equation.
1 + -1 + 4a = 5 + -1

Combine like terms: 1 + -1 = 0
0 + 4a = 5 + -1
4a = 5 + -1

Combine like terms: 5 + -1 = 4
4a = 4

Divide each side by '4'.
a = 1

Simplifying
a = 1

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