The answer to the question
Answer:
8
Step-by-step explanation:
8^2=64 8*5=40 64-40=24
Answer:
n+n+1+n+2=3n+3=3(n+1)
Step-by-step explanation:
She would have 20 dollars left over. take the amount of money she has then add up all of the cost of the stuff she will buy then subtract.
Distribute: 3x+6+4=5x+7
Simplify: 3x+10=5x+7
Subtract 3x from both sides: 10=2x + 7
Subtract 7 from both sides: 3=2x
Divide by 2: x=3/2
x=3/2