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Shtirlitz [24]
2 years ago
7

Please I swear my math teacher is going to kill me​

Mathematics
1 answer:
vodomira [7]2 years ago
8 0

5x−y=4

Solve for y

.

Tap for more steps...

y=−4+5x

Rewrite in slope-intercept form.

Tap for more steps...

y=5x−4

Use the slope-intercept form to find the slope and y-intercept.

Tap for more steps...

Slope: 5

y-intercept: (0,−4)

Any line can be graphed using two points. Select two x

values, and plug them into the equation to find the corresponding y

values.

Tap for more steps...

xy0−4450

Graph the line using the slope and the y-intercept, or the points.

Slope: 5

y-intercept: (0,−4)

xy0−4450

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5x 2y = 7 y = x 1 What is the solution set of the given system? {(5/7, 12/7)} {(12/7, 5/7)} {(9/7, 16/7)} {(16/7, 9/7)}.
OLEGan [10]

The correct option is A, which is {(5/7, 12/7)}.

<h2>Given to us,</h2>

equation 1, 5x + 2y = 7,

equation 2, y = x+1

To solve the question, as given in equation 2 the value of y which is equal to x+1, Substitute the value of  y in equation 1,

5x + 2y = 7

<h3>substituting,</h3>

5x + 2(x+1) = 7\\5x+2x+2=7\\7x+2=7\\7x=7-2\\7x=5\\\\x= \dfrac{5}{7}

Now, we have the value of x, substitute the value in equation 2, to get y,

y=x+1\\y=(\frac{5}{7})+1\\

Taking LCM,

y=\frac{5+(1\times 7)}{7}  \\y= \dfrac{12}{7}

Hence, the correct option is A, which is {(5/7, 12/7)}.

To know more visit:

brainly.com/question/2263981

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Step-by-step explanation:

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