subject
Mathematics, 05.11.2019 21:31 CHRONICxDJ

To eliminate the y-terms and solve for x in the fewest steps, by which constants should the equations be multiplied?

first equation: 5x − 4y = 28

second equation: 3x - 9y = 30

the first equation should be multiplied by 3 and the second equation by 5.
the first equation should be multiplied by 3 and the second equation by −5.
the first equation should be multiplied by 9 and the second equation by 4.
the first equation should be multiplied by 9 and the second equation by −4.

ansver
Answers: 1

Another question on Mathematics

question
Mathematics, 21.06.2019 14:30
Geometry: determine whether segment mn is parallel to segment kl. justify your answer. jm 6 mk 3 jn 8 nl 4
Answers: 1
question
Mathematics, 21.06.2019 18:00
Solve this equation using substitution. {4x + y = −2} {4x + 6y = 44}
Answers: 1
question
Mathematics, 21.06.2019 20:40
David estimated he had about 20 fish in his pond. a year later, there were about 1.5 times as many fish. the year after that, the number of fish increased by a factor of 1.5 again. the number of fish is modeled by f(x)=20(1.5)^x. create a question you could ask that could be answered only by graphing or using a logarithm.
Answers: 1
question
Mathematics, 21.06.2019 21:10
Given: lines a and b are parallel and line c is a transversal. prove: 2 is supplementary to 8 what is the missing reason in the proof? statement reason 1. a || b, is a transv 1. given 2. ∠6 ≅ ∠2 2. ? 3. m∠6 = m∠2 3. def. of congruent 4. ∠6 is supp. to ∠8 4. def. of linear pair 5. ∠2 is supp. to ∠8 5. congruent supplements theorem corresponding angles theorem alternate interior angles theorem vertical angles theorem alternate exterior angles theorem
Answers: 3
You know the right answer?
To eliminate the y-terms and solve for x in the fewest steps, by which constants should the equation...
Questions
question
Mathematics, 11.02.2022 01:00
question
Mathematics, 11.02.2022 01:00
question
French, 11.02.2022 01:00
question
Mathematics, 11.02.2022 01:00
question
Mathematics, 11.02.2022 01:00
question
Mathematics, 11.02.2022 01:00