Mathematics, 11.01.2021 20:50 Fredo10

To eliminate the terms and solve for y in the fewest steps, by which constants should the equations be multiplied by before adding the equations together? First equation: 9x + 3y = -18

Second equation: 8x + 7y = 10

A)The first equation should be multiplied by 3 and the second equation by 7.
B)The first equation should be multiplied by -3 and the second equation by -7.
C)The first equation should be multiplied by - 7 and the second equation by 3 .
D)The first equation should be multiplied by -7 and the second equation by -3.

Answers: 1

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 21:30, alexialoredo625

Plz hurry evaluate the expression a+b where a=8 and b=19

Answers: 1

continue

Mathematics, 21.06.2019 21:50, smithsa10630

What is the 17th term in the arithmetic sequence in which a6 is 101 and a9 is 83

Answers: 1

continue

Mathematics, 21.06.2019 22:00, bobk1433

Mrs. avila is buying a wallpaper border to go on all of her kitchen walls. she wants to buy 5 extra feet of wallpaper border than she needs to be sure she has enough. she buys 55.5 feet of the border. the store owner selling the border uses the width of mrs. avila's kitchen to determine that the length of her kitchen must be 14.5 feet.

Answers: 2

continue

Mathematics, 21.06.2019 22:00, Treezy11

Two numbers have a sum of -19. one number is x. what expression represents the other number?

Answers: 2

continue

You know the right answer?

To eliminate the terms and solve for y in the fewest steps, by which constants should the equations...