Question

For the function f(x) = 3x+2, find x such that f(x) = 14.

Numerical Answers Expected!

Answer 1

solve 3x + 2 = 14

Answer 2

well i dont know how?

Answer 3

the aim is first to get terms in x on one side of the = and numbers the other side
so subtract 2 from each side of the above equation - what does that give?

Answer 4

3x + 2 - 2 = 14 - 2

can you simpify this?

Answer 5

nope i forgot to simpify

Answer 6

whats 2 - 2?
and 14 - 2 ?
i'm sure you can do that

Answer 7

0

Answer 8

thats 2-2 whats 14 - 2?

Answer 9

12

Answer 10

ok so thats makes the equation

3x - 0 = 12
3x = 12

now divide 3x by 3 and 12 by 3
and you have

x = ?

Answer 11

* 3x + 0 = 12

Answer 12

okay

Answer 13

what well i do now

Answer 14

x = 12/3

whats 12/3 equal to

Answer 15

4

Answer 16

right thats the solution x = 4

Answer 17

oh so that is the answer right

Answer 18

thank you

Answer 19

yw