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soldier1979 [14.2K]
2 years ago
6

What is the value of X in the equation 8x-2y=48, when y=4

Mathematics
2 answers:
sineoko [7]2 years ago
8 0
What is the value of X in the equation 8x-2y=48, when y=4

the answer in your equation is x=7
Verdich [7]2 years ago
5 0

Answer:

7

Step-by-step explanation:

to find the value of of x. you have to substitute 4 into y and solve the equation for x. 8x minus 2 times 4 = 48. 2 times 4 is 8. your left with 8x-8=48. next you add 8 to both sides and are left with 8x=56. next 8x divided by 8 is x. and 56 divided by 8 is 7. So x=7.

You might be interested in
9. What is the slope of the line through the points (-2, -1) and (4, 3)?
Fofino [41]

Step-by-step explanation:

given points,

(-2, -1) and (4,3)

we know,

slope of line = y_2 - y_1/ x_2 - x_1

x_1 and y_1 = -2 , -1

x_2 and y_2 = 4 , 3

according to the formula

3 - (-1)/4 - (-2)

→ 3 + 1/4 + 2

→ 4/6

→ 2/3

or (2,3)

therefore, slope of the given line is (2,3).

Hope this answer helps you dear!

4 0
2 years ago
-10/5+2(7-9)^2
Oksana_A [137]
Answer: -4

Reasoning: so first you need to subtract the 7 from the 9 to get -2. Then you square it to get 4 because a negative 2 times -2 is 4. Then you multiply the 4 by the 2 to get 8. You can simplify the -10/5 to -1/2 and multiply that by the 8 to get -8/2 which simplified out to -4.


I hope that helps.
8 0
3 years ago
Read 2 more answers
17/20
Lena [83]

Answer:

2.39 cm

Step-by-step explanation:

6 0
2 years ago
Question 4
stealth61 [152]
Question 4:
2x-3
Because we don’t know how much Fernando has that would be where we fill in the variable giving you 2x then 3 dollars less will give you the -3 therefore 2x-3
Question 5:
1/2x+7
Because we don’t know Deb’s age that would be the variable and we are looking for half of Deb’s age giving you 1/2x then the 7 years more giving you the +7 hence 1/2x+7
3 0
2 years ago
2 = 1/2(7x - 4)<br> I need help finding the answer to this equation!!
zlopas [31]

Answer:

2 =  \frac{1}{2} (7x - 4)

________________________________

2 \times 2 = 7x - 4

________________________________

4  + 4 = 7x

________________________________

8 = 7x

________________________________

x =   \frac{8}{7}

________________________________

x =  1 \frac{1}{7}

________________________________

hope it helped you:)

7 0
2 years ago
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