Question

me pueden ayudar
4x+3y=23
7x-5y=-11

Answer 1

4x=23-3y
x=23/4 - 3/4y


7.(23/4-3/4y)-5Y=-11
161/4 - 21/4y - 5Y = -11
-21/4y - 5y = -11 - 161/4
-41/4y = -205/4
y = -205/4 / -41/4
y = -205/4 . -4/41
y = 5


7x - 5.5 = -11
7x - 25 = -11
7x = -11 + 25
7x = 14
x = 2

y=5
x=2