The circumference and
Abacus
Answer:
x+y=5
Step-by-step explanation:
y=-x+5
add x to both sides
x+y=5
x² - 4x - 12 = 0
Factor the left side: (x + 2) · (x - 6) = 0
The equation is true if either factor is zero.
If (x + 2) = 0 then x = -2 .
If (x - 6) = 0 then x = 6 .
Answer:
3/5
Step-by-step explanation:
