Answer:
x=3
Step-by-step explanation:
***3x+7=16***
Subtract 7 from each side. You get 3x=9
Divide each side by 3 to isolate x. You get x=3
You can check the answer by plugging in the 3 into the original equation.
You get 3(3)+7=16; which is 9+7=16
