Answer:
x=10
Step-by-step explanation:
5x+20=4x+30
Subtract 4x from each side
5x-4x +20 = 4x-4x+30
x+20 = 30
Subtract 20 from each side
x+20-20 =30-20
x =10
Answer:
B. Sum difference, product, power
Step-by-step explanation:
To evaluate this limit we need to know how to get the limits involving sums and differences. Since powers are involved we need the power rule too. We use the product rule instead of the quotient rule because the fraction can be written as a product with a negative power.
X - the number of people who own a smartphone
y - the number of people who own a flip phone
x:y=4:3

500 more people own a smartphone than a flip phone.

2000 people own a smartphone and 1500 people own a flip phone.
Answer:
Step-by-step explanation:
It would be -3, -2, 2, 3. This is how I learned it