<span>5x - y = 15 (1)
-10x+2y=-30 (2)
multiply (1) by 2
10x - 2y = 30
</span>-10x + 2y = -30 (2)
<span>---------------------------add
0 = 0
answer
</span><span>infinitely many solutions</span><span>
</span>
Answer:
4
x value increases by 2 in the time it takes y value to increase by 8
8/2 = 4
Answer:
3
Step-by-step explanation:
Answer:
80 m^2
Step-by-step explanation:
The formula is lwh/3. 5*6*8=240 240/3=80
