in order to solve the system of equations below , harvey multiplies each equation by a constant to eliminate the x terms.
1 answer:
Answer:

multiply all terms in the top equation by 2
multiply all terms in the second equation by -7. it would then add the two equations together to cancel out the variable x
You will then have two equations in terms of y
solve for y and either equation then substitute that value for y into the other equation then solve for x
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You are correct. The answer is D 5:3
Make up the proportion

P.S. Hello from Russia
Since 6 is greater than 5 you input it into the last equation!
2•(6^2) -7
2•(36) -7
72 -7
65
The answer is 65!
Answer:
10 * 50%
Step-by-step explanation:
It is simple
just do 10/100 * 50
and you have your answer
X<3 or X>1
move constant to the right side and change the sign