A(4)+9=13

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Solution for A(4)+9=13 equation: 


Simplifying
A(4) + 9 = 13

Reorder the terms for easier multiplication:
4A + 9 = 13

Reorder the terms:
9 + 4A = 13

Solving
9 + 4A = 13

Solving for variable 'A'.

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

Add '-9' to each side of the equation.
9 + -9 + 4A = 13 + -9

Combine like terms: 9 + -9 = 0
0 + 4A = 13 + -9
4A = 13 + -9

Combine like terms: 13 + -9 = 4
4A = 4

Divide each side by '4'.
A = 1

Simplifying
A = 1

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