Question

By what number should you multiply the first equation to solve using elimination?
–3x – 3y = 27
–9x + 4y = 16
a. 6
b. –3
c. 3
d. –9

Answer 1

b.-3 to the first equation

Answer 2

I got c. 3 is the answer. Multiply the first equation by 3 to set x equal to each other.