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If y = 4x + 10 and y = 7x - 5, what is the value of y?
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19 May 2018, 16:09
19 May 2018, 16:09
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Re: If y = 4x + 10 and y = 7x - 5, what is the value of y?
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06 Jun 2018, 08:44
06 Jun 2018, 08:44
sandy wrote:
GIVEN:
y = 4x + 10
y = 7x - 5
Since both equations are set equal to y, we can write: 4x + 10 = 7x - 5
Solve to get x = 5
To determine the value of y, take EITHER equation and replace x with 5
So, take y = 4x + 10
Replace x with 5 to get: y = 4(5) + 10 = 30
Answer: 30
Cheers,
Brent
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Re: If y = 4x + 10 and y = 7x - 5, what is the value of y?
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08 Sep 2022, 10:41
08 Sep 2022, 10:41
Given that y = 4x + 10 and y = 7x - 5 and we need to find the value of y
y = 4x + 10 = 7x - 5
=> 7x - 4x = 10 + 5 + 15
=> 3x = 15
=> x = \(\frac{15}{3}\) = 5
=> y = 4x + 10 = 4*5 + 10 = 20 + 10 = 30
So, Answer will be 30
Hope it helps!
y = 4x + 10 = 7x - 5
=> 7x - 4x = 10 + 5 + 15
=> 3x = 15
=> x = \(\frac{15}{3}\) = 5
=> y = 4x + 10 = 4*5 + 10 = 20 + 10 = 30
So, Answer will be 30
Hope it helps!
