
We know that y=7x, so we just need tu put it into the 1st equation

So we found x. Now we can find y

Answer:
x=1, y=7; or (1;7)
5. 2*(7+x) which if you distributed would be 14+2x.
6.x - 8^2 or x-64.
Hope this helped!
Answer: x-intercept = -1, 1, 2, 3
Answer:
She can expect 240 to say no.
Answer:
The answer is
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Step-by-step explanation:
x² + x - 5 = 0
Using the quadratic formula
That's
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From the question
a = 1 , b = 1 , c = - 5
Substitute the values into the above formula and solve
We have
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We have the final answer as
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Hope this helps you