2 years ago

Solve for x: 4x+2=1/2x+17

Mathematics

1 answer:

Ierofanga [76]2 years ago

5 0

THE STEPS AND ANSWER IS IN THE PICTURE

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Mademuasel [1]

Step-by-step explanation:

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Phantasy [73]

Hello,

Let's assume x the time the express runs.

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Solve the simultaneous equation :<br><br> 4x+2y=17<br> 3x+2y=14

enot [183]

Answer:

(x, y) = (3, 5/2)

Step-by-step explanation:

$4x+2y=17\\3x+2y=14$

I'll solve by elimination here. If you invert the second equation and add it to the first, 2y and -2y would cancel out.

$4x+2y=17\\-(3x+2y=14)$

Now just add those from top to bottom.

$\rightarrow (4x-3x)+(2y-2y)=17-14\\\rightarrow x=3$

Nothing else needs to be done for that part. Now, you can pick either equation and use the known value of x to solve for y.

$4x+2y=17\\\rightarrow 4(3)+2y=17\\\rightarrow 12+2y=17\\\rightarrow 2y=5\\\rightarrow y=\frac{5}{2}$

(x, y) = (3, 5/2)

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A sign company charges $28 per yard for each custom made banner. Ms gill orders 2 banners that are each 17/8 yards long and 1 ba

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MrRissso [65]

Answer:

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Step-by-step explanation:

please kindly check the attached files for details

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