A-a+4a-3=13

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Solution for A-a+4a-3=13 equation:


Simplifying
A + -1a + 4a + -3 = 13

Reorder the terms:
-3 + A + -1a + 4a = 13

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

Solving
-3 + A + 3a = 13

Solving for variable 'A'.

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

Add '3' to each side of the equation.
-3 + A + 3 + 3a = 13 + 3

Reorder the terms:
-3 + 3 + A + 3a = 13 + 3

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

Combine like terms: 13 + 3 = 16
A + 3a = 16

Add '-3a' to each side of the equation.
A + 3a + -3a = 16 + -3a

Combine like terms: 3a + -3a = 0
A + 0 = 16 + -3a
A = 16 + -3a

Simplifying
A = 16 + -3a

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