Answer:
10-11 is -1
Step-by-step explanation:
i don'T care much for attachments ;)
Y = -x + 4.....so sub in -x + 4 in for y in the other equation
x + 2y = -8
x + 2(-x + 4) = -8
x - 2x + 8 = -8
x - 2x = -8 - 8
-x = -16
x = 16
y = -x + 4
y = -16 + 4
y = - 12
one solution (16,-12)
Answer:
60
Step-by-step explanation:
(-13 + 7) = -6
(-13 -6) = -19
-6 - -19 =13
47+13 =60
