MATH SOLVE

4 months ago

Q:
# 2x + y = 3x - 2y = -1If equation one is multiplied by 2 and then the equations are added, the result is _____.3x = 23x = 55x = 5

Accepted Solution

A:

multiply 2x+y = 3 by 24x + 2y = 6x - 2y = -1add terms (be careful about signs!)5x + 0 = 25x = 5