Answer:
6+15x
Step by step explanation:
Expansion
Answer:
A
Step-by-step explanation:
hope this helps please brainiest
Answer:

Step-by-step explanation:

Move 3k to left hand side and change it's sign
Similarly, move 4.5 to right hand side and change it's sign

Collect like terms

Subtract 4.5 from 18

Divide both sides by 4.5

Calculate

Hope I helped!
Best regards! :D
Hoi!
If the two fractions have a common denominator, then yes, you do. Only add the numerators. :)
10×4,000=40,000 because all u do is add an extra zero everything you multiple something by ten