Answer:
Step-by-step explanation:
-9x + y = 16
12x + y = -5
12x + y = -5
9x - y = -16
21x = -21
x = -1
9 + y = 16
y = 7
(-1,7)
Answer:
x = 1/2
Step-by-step explanation:
4(3x - 2) + 2³ = 6
12x - 8 + 8 = 6
12x = 6
x = 1/2
Answer:
(x-4)2=-13
Step-by-step explanation:
2x+13=8
2x-8=-13
2(x-4)=-13
Answer:
Step-by-step explanation:
triangle
Answer:
60
Step-by-step explanation: