Answer:
9.
Step-by-step explanation:
81/9=9
72/9=8
Answer:
Step-by-step explanation:
<u>The perimeters are equal:</u>
<u>Solve for x:</u>
- 12x - 24 = 4x
- 12x - 4x = 24
- 8x = 24
- x = 3
Answer:
Step-by-step explanation:
2x-6y=2
....(1)
-4x+8y=-8....(2)
divid the equation (2) by : - 2 x +4y = - 4...(3)
add (1) and (3 ) :2x-6y - 2 x +4y =2-4
-2y=-2
y = 1
put y=1 in (1) : 2x-6(1)=2
2x=8
x =4