Answer:
Step-by-step explanation:
Answer:
7x(3-5a)
Step-by-step explanation:
21-35a =
to find a minimum common multiply you have to rationalize the number with the same numer, and this number must be a whole, this will help you to write the expression easier, if you notice that 21 and 35 are familiar of 7, then you can find a common factor, to multiply your expression
20x+50=450
-50 -50
20x=400
Divide both sides by 20
X=20
Answer
Q1- c
Q2-c
Q3-d
Q4-b
Q5-a
