Question

Which of these strategies would eliminate a variable in the system of equations?

5x+ 3y = 9
4x– 3y = 9
Choose all answers that apply:
Subtract the bottom equation from the top equation.
B
Add the equations.
С
Subtract the top equation from the bottom equation.

Answer 1

Answer: A

Adding the equations would eliminate the y variable

5x + 3y = 9
+ 4x -3x = 9
———————
9x = 9

X= 1