Answer:
A=6
Step-by-step explanation:
A/3 + 4=6
A/3=6-4
A =2*3
[tex]\dfrac{A}{3}+4=6\qquad\text{subtract 4 from both sides}\\\\\dfrac{A}{3}+4-4=6-4\\\\\dfrac{A}{3}=2\qquad\text{multiply both sides by 3}\\\\3\!\!\!\!\diagup^1\cdot\dfrac{A}{3\!\!\!\!\diagup_1}=(3)(2)\\\\A=6[/tex]