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Nostrana [21]
3 years ago
11

What is the value of the equation 3x-4y=65 when y=4

Mathematics
2 answers:
Inga [223]3 years ago
8 0
4x4=16. So think of it like this now..
3x-16=65

Add 16 in each side and you get 3x=81. Divide 3 with 81 and should be 27, or x=27.
Then you check it by putting in the #'s

3(27)-4(4)=65
81-16=65
65=65 ✔️
Serhud [2]3 years ago
4 0

Answer:

i personally think x=27 is the best choice for this one

Step-by-step explanation:

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Ivanshal [37]

Answer:

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Step-by-step explanation:

Given equation of line

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slope intercept form of equation is

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c is y intercept

thus

slope for y = 2x - 3 when comparing with y = mx + c is 2

now we know slope of two parallel line is same

thus,

the slope of  line that is parallel to the line 2x − y = 3

is 2

Let the equation of required line be y = mx + c

where m = 2

thus

y = 2x + c is the new required equation

it passes through the point (2, −1)

using y = -1 and x = 2 in y = 2x + c

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c = -1 - 4

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thus,

equation of required line is option c

y = 2x - 5 ----answer

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Step-by-step explanation:

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Step-by-step explanation:

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