A system of equations is shown below:

Equation A: 3c = d − 8
Equation B: c = 4d + 8

Which of the following steps should be performed to eliminate variable d first? (5 points)

Multiply equation A by −4.
Multiply equation B by 3.
Multiply equation A by 3.
Multiply equation B by 4.

Question

A system of equations is shown below:

Equation A: 3c = d − 8
Equation B: c = 4d + 8

Which of the following steps should be performed to eliminate variable d first? (5 points)

Multiply equation A by −4.
Multiply equation B by 3.
Multiply equation A by 3.
Multiply equation B by 4.

jhonyy9 · Answer

when you add terms by terms these equations how can be eliminated the 4d from second equation ,adding how many d from first equation ? what you think ?