Answer:
x<7
Step-by-step explanation:
Divide by -7 on both sides and when dividing by a negative you should flip the inequality sign.
The answer is negative four. subtract six from both sides and you get -20=5x then you would divide both sides by 5 and get -4
Answer:x=20/y
Step-by-step explanation:
x α 1/y
removing the constant of proportionality sign α and replace it with =k
x = k/y
x=10 y=2
10 = k/2
Cross multiply
10x2=k
20=k
k=20
Substitute k=20 in x=k/y
x=20/y.........required equation
Answer: m=2.8
Step-by-step explanation:
You can reverse the equation and instead solve...
4-1.2 which equals 2.8.
answer : 2nd one
Step-by-step explanation:
