Question

4x-3 greater than equal to 21
A.x greater than equal to 6
B.x greater than 12
C.x greater than equal to 24
D.x less than equal to 6

Answer 1

What is the first step to isolate the variable x?

Answer 2

im not sure @Brill

Answer 3

You do reverse order of operations so you either add or subtract 3 to cancel it out from the variable side. Which one...?

Answer 4

x need to equal to something that the when the equation 4x-3 is completed it has to equal 21 or more

Answer 5

So lets take the first answer to the question x is grater than or equal to 6

Answer 6

4(6)-3= 21

Answer 7

So the answer is A

Answer 8

Hope this helps :)