Answer:
I would multiply the first equation by −4 and the second by 3 and add together the two equatins (in columns): ... Step 2. Prepare the equations. Multiply every term in each equation by a ... Subtract Equation (4) from Equation (3). ... How do you solve the system 5x−10y=15 and 3x−2y=3 by multiplication?
21:3
9:3
3:1
there all a 3:1 ratio
Hey there!
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ANSWER: 
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EXPLANATION:</h2>
Ratio of 
If you want to get the ratio, you should multiply the numerator(7) and denominator(3) by 2.
So your answer is:
Hope this helps!
Answer:
3 1/2cm
Step-by-step explanation:
