4A-A+1=13

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Solution for 4A-A+1=13 equation:


Simplifying
4A + -1A + 1 = 13

Reorder the terms:
1 + 4A + -1A = 13

Combine like terms: 4A + -1A = 3A
1 + 3A = 13

Solving
1 + 3A = 13

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 + 3A = 13 + -1

Combine like terms: 1 + -1 = 0
0 + 3A = 13 + -1
3A = 13 + -1

Combine like terms: 13 + -1 = 12
3A = 12

Divide each side by '3'.
A = 4

Simplifying
A = 4

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