Hi there!

First we want to get rid of the parentheses.

Now we collect terms on both sides of the equation

Since both sides of the equation are the same, every number is a correct solution to this equation. (Whatever number you choose to fill in will be correct).
Answer:
I think it should be 11/3
.............
Its 9.5 Also i like Trains 190 ÷ 21 = 9.5
Answer:
B = 3
Step-by-step explanation:
4+2b = 10
= 2b = 10-4
2b = 6
b = 6/2
= 3
Answer: 13.74
Step-by-step explanation:
to find out the total cost we will:
13.09*(5/100)=0.65
13.06+0.65(tax)=13.74