3 years ago

How do you explain this?

Mathematics

1 answer:

max2010maxim [7]3 years ago

7 0

Answer:

Step-by-step explanation:

Multiply both sides by 3

3(y - 3) = 2(x + 6)

Remove the brackets.

3y - 9 = 2x+ 12 Subtract 3y from both sides

- 9 = 2x - 3y + 12 Subtract 12 from both sides

-9 - 12 = 2x - 3y Combine like terms

-21 = 2x - 3y Switch Sides

2x - 3y = - 12

Answer A

You might be interested in

Express 110111 base two to base ten

lidiya [134]

Answer:

Step-by-step explanation:

4 0

3 years ago

As a salesperson, you are paid $50 per week plus $2 per sale. This week you want your pay to be at least $100. What is the minim

DENIUS [597]

Let s represent the number of sales, and t the total pay
the equation to represent this situation is t = 2s + 50
so set t to 100, and solve for s

100 = 2s + 50
50 = 2s
25 = s

you need to make at least 25 sales

5 0

3 years ago

80 marked up by 37.5 percent

Mariana [72]

Make 37.5% into decimal form : Since it is being marked up, add 100% = 1.375
1.375 x 80
1.375
x 80
_________
0000
+11000
_________
110.000

80 marked up by 37.5% is 110.

7 0

3 years ago

How many groups of 3/4 are in each of the following quantities?

____ [38]

Answer:

0.37

Step-by-step explanation:

6 0

3 years ago

A shopper paid $2.52 for 4.5 pounds of potatoes $7.75 for 2.5 pounds of broccoli and $2.45 for 2.5 pounds of pears. What is the

joja [24]

Potatoes: $2.52 / 4.5lbs = $0.56 / lb.

Broccoli: $7.75 / 2.5lbs = $3.1 / lb

Pears: $2.45 / 2.5lbs = $0.98 / lb

4 0

2 years ago