Question

Which step could you use to start solving the system of equations below?
x + y = 3
-3x - 2y = -7

A. Multiply x + y = 3 by 3 and add it to -3x - 2y = -7
B. Multiply -3x - 2y = -7 and subtract it from x + y = 3
(C was incorrect)

Answer 1

A.

Answer 2

ty

Answer 3

that is a method called elimination.

Answer 4

np. :)