Answer:
I THINK IT IS THE LAST ONE
Step-by-step explanation:
Answer:
Given:
x-y=-4
2x+y=4
Step-by-step explanation:
x-y=-4
2x+y=4
add both the equation, we get
⇒ x-y=-4
2x+y=4
⇒3x=-4+4
⇒3x=0
⇒x=0
∴ to find the value of y, put the value of x in any one equation
⇒x-y=-4
⇒0-y=-4
⇒-y=-4
⇒y=4
∴ x=0, y=4
Answer:
DE = 12cm
Step-by-step explanation:
It's free real estate
Answer:
d = 6
Step-by-step explanation:
multiply -3 by both things in equation
6 = 3d -12
6 + 12 = 18 ÷ 3 = 6
Slope = 1/3 using slope formula
