Take the cos-1 of both sides to get 3x=30 then divide by 3 to get ×=10
Answer:
1) -2
2) 8/7
Step-by-step explanation:
1) 10x+8=3(x-2)
10x+8=3x-6
10x-3x=-6-8
7x=-14
x=-2
2) 10x+8=3x
10x-3x=8
7x=8
x=8/7
Hope it helps
Hello,
2x+y=1
3x-y=-6
==>5x=-5
==>x=-1 and y=1-2*(-1)=3
Sol={(-1,3)}
Answer A
Hello
You divide 8 by 7/8 you get <span><span>
9 1/7
Hope we helped<span /></span></span>
