2 years ago

-2x+15y=24 2x+9y=24, what is the value of x and y

1 answer:

4 0

Eliminate x's by adding te 2 equations

add them

-2x+15y=24
<u>2x+9y=24 +</u>
0x+24y=48

24y=48
divide both sides by 24
y=2

sub back

2x+9y=24
2x+9(2)=24
2x+18=24
minus 18 both sides
2x=6
divide 2
x=3

x=3
y=2

(x,y)
(3,2)

You might be interested in

Evaluate-2.75 - f for f = -6.5

Stels [109]

Answer:

Step-by-step explanation:

we have f=-6.5

-2.75- (-6.5)= -2.75+6.5=3.75

4 0

2 years ago

Please help need it due now!!!

ahrayia [7]

Answer:

1) 0.9, 0.99, 0.09, 0.0009

2) 4(2x²+9x)

3) 110

4) $9.50 per pizza

5) 23

4 0

2 years ago

Please someone help me

lions [1.4K]

Hello There!

Dividing a fraction is the same thing as multiplying by its reciprocal.

This means that $\frac{3}{4}$ ÷ $\frac{5}{12}$ is the same as multiplying $\frac{3}{4}$ by $\frac{12}{5}$ .

So basically when you divide you leave the first fraction alone but the second fraction in this case, 5/12 you would flip the number on top and the number on bottom to 12/5.

HAVE A GREAT DAY!

8 0

3 years ago

Read 2 more answers

What is the answer to this

ANEK [815]

To make a large batch of cinnamon rolls, the baker uses 12 cups of white flour and 10 cups of whole wheat flour. All together, he uses 176 ounces of flour. The baker uses 2 fewer cups of whole wheat flour than white flour.

5 0

2 years ago

-24+15-6=x

suter [353]

Answer:

x = -15

Step-by-step explanation:

-24 + 15 - 6 = x

-9 - 6 = x

-15 = x

4 0

2 years ago

Read 2 more answers