4A-(A+7)=9

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Solution for 4A-(A+7)=9 equation:


Simplifying
4A + -1(A + 7) = 9

Reorder the terms:
4A + -1(7 + A) = 9
4A + (7 * -1 + A * -1) = 9
4A + (-7 + -1A) = 9

Reorder the terms:
-7 + 4A + -1A = 9

Combine like terms: 4A + -1A = 3A
-7 + 3A = 9

Solving
-7 + 3A = 9

Solving for variable 'A'.

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

Add '7' to each side of the equation.
-7 + 7 + 3A = 9 + 7

Combine like terms: -7 + 7 = 0
0 + 3A = 9 + 7
3A = 9 + 7

Combine like terms: 9 + 7 = 16
3A = 16

Divide each side by '3'.
A = 5.333333333

Simplifying
A = 5.333333333

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