Question

Solve for x: 2x+1/ 3 = x+6/ 2

Answer 1

familiar of cross multiplying?

Answer 2

um i dont think so x.x

Answer 3

if i have
A C
- = -
B D

what do yo think cross multiplying refer to?

Answer 4

you would multiply a*d & b*c?

Answer 5

very good, and what do you do with them?

Answer 6

you would multiply

Answer 7

well you already said that. How do you think a*d is related to b*c?

Answer 8

they have variables? i am cross multiplying and i got 2(2x+1)=4x+2 and 3(x+6)= 3x+18

Answer 9

so now i put them together and solve for x normally right?

Answer 10

verry good

Answer 11

so the answer would be x=16 correct?

Answer 12

ikd, how did you get that?

Answer 13

4x+2= 3x+18
(subtract 3x from both sides)
x+2=18
(subtract 2 from both sides)
x=16

Answer 14

good job

Answer 15

Thank you! (:

Answer 16

yw