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yawa3891 [41]
3 years ago
9

Find the x-intercept of the following equation. Simplify the answer. 5x − y = –7

Mathematics
2 answers:
SVETLANKA909090 [29]3 years ago
8 0

Answer:

The x-intercept is -7/5.

Step-by-step explanation:

Firstly, you must know what is intercept<em>.</em><em> </em><em>I</em><em>n</em><em>t</em><em>e</em><em>r</em><em>c</em><em>e</em><em>p</em><em>t</em> is the line where it touches the axis. When a line touches the one axis, the other axis <em>m</em><em>u</em><em>s</em><em>t</em><em> </em>be zero. So in this question, it given to us to find the x-intercept which means that y coordinate is zero. We have to let y equals to zero and solve for the value of x :

Let y = 0,

5x - y = -7

5x - 0 = -7

5x = -7

x = -7/5(improper fraction) or -1 2/5(mixed no.)

Roman55 [17]3 years ago
5 0

Answer: x intercept= (-7/5,0) y intercept= (0.7)

Step-by-step explanation:

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x = 3 , y = 13

Step-by-step explanation:

Note that both equations is equal to y. Set the two equations equal to each other

y = 7x - 8; y = 5x - 2

7x - 8 = y = 5x - 2

7x - 8 = 5x - 2

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7x (-5x) - 8 (+8) = 5x (-5x) - 2 (+8)

7x - 5x = -2 + 8

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(7x - 5x) = (-2 + 8)

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Isolate the x. Divide 2 from both sides

(2x)/2 = (6)/2

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---------------------------------------------------------------------------------------------------

Plug in 3 for x in one of the equations.

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Simplify. Remember to follow PEMDAS.

y = 7(3) - 8

y = 21 - 8

y = 13

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x = 3, y = 13 is your answer

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