Which statement correctly explains how Andre could find the solution to the following system of linear equations using elimination? 8 s minus 9 t is equal to 15 7 s minus 2 t is equal to 12
Answer
A
Multiply the first equation by negative 7 and the second equation by 8 , and then subtract.
B
Multiply the first equation by 2 and the second equation by 9 , and then add.
C
Multiply the first equation by negative 2 and the second equation by 9 , and then subtract.
D
Multiply the first equation by negative 7 and the second equation by 8 , and then add.