1+a=4

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Solution for 1+a=4 equation: 


Simplifying
1 + a = 4

Solving
1 + a = 4

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 + a = 4 + -1

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

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

Simplifying
a = 3

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