-3x = 21
Divide -3 from both sides and you get x = -7
1/3x = 6
Divide 1/3 from both sides and you get x = 18
-1/2x = -7
Divide -1/2 from both sides and you get x = 14 (you get a positive answer from 2 negatives)
Dividing 1/3 is just multiplying by 3, and dividing -1/2 is just multiplying by -2
Answer:
Rectangle calc: find D ( diagonal); Golden rectangle; Properties of a rectangle; Rectangle vs. other shapes. Is a square
hope it helps
Answer:
A proportional relationship between a quantity y and a quantity x that has a constant of proportionality k is represented by the equation y = kx.
Step-by-step explanation:
If 15 is 20% of her money you need to multiply 15 times 5 to get her total money which is 75 $
