Answer:
a
Step-by-step explanation:
2x +7= 19
2x= 19 -7 <em>(-7 on both sides)</em>
2x= 12 <em>(</em><em>simplify</em><em>)</em>
x= 12 ÷2
x= 6
Answer:
5
Step-by-step explanation:
Oranges: 3.46 $
Grapes: 1.36 $
Apple: They didn't leave you with the cost of the apple so I don't know
Add 3.46 plus 1.36 and you get 4.82. Then round that to 5.00.
Answer:
7a - 2
Step-by-step explanation:
A perimeter is just the sum of all sides added together, so just put all the expressions together into a big equation.
2a - 3 + 2a + 3a + 1
Combine like terms
7a - 2
Answer:
1/3
Step-by-step explanation:
sum of numbers = 30 marbles
probability = 10/30 or simplified 1/3
2x + 10...the common number between these 2 terms is 2...so factor the 2 out
2(x + 5) <==