Answer:
x = 1
Step-by-step explanation:
-2x + y = 4
y = 2x + 4
2x + 3y = 20
2x + 3(2x + 4) = 20
2x + 6x + 12 = 20
8x + 12 = 20
8x = 8
x = 1
Answer:
533/938 = .56 = 56%
Step-by-step explanation:
If helps mark as brainllest hope it helps!!!
its true because -1 to even power is positive, -1 to odd power is negative
Answer:
3)
Step-by-step explanation: