He can drive about 680 miles in 10 hours.
-5x/6 + 1=7/18
lowest common multiple=18
-15x+18=7
-15x=7-18
-15x=-11
x=-11/-15=11/15
The solution set is [11/15]
we check it out.
-5(11/15) /6 + 1 =7/18
(-55/15) / 6 +1=7/18
-55/90 + 1=7/18
(-55+90) /90=7/18
35/90=7/18
7/18=7/18
Answer:
2
Step-by-step explanation:
Answer:
X=-1
Y=-8
Step-by-step explanation:
8x+y=-16
3x-y=5
11x=-11
x=-1
8x+y=-16
8(-1)+y=-16
-8+y=-16
y=-16+8
y=-8
<h2>
<em><u>Or</u></em> </h2>
3x-y=5
3(-1)-y=5
-3-y=5
-y=5+3
-y=8
y=-8
