Question

find the value of X for which ABCD must be parallelogram 5x-8 , 2x+7

Answer 1

diagram ?

Answer 2

BC = AD
5x - 8 = 2x + 7
solve for x

Answer 3

so the answer is x= 6?

Answer 4

you just guessing right ?

Answer 5

no lol?

Answer 6

but, that's wrong :P

Answer 7

whats the answer :(

Answer 8

5x - 8 = 2x + 7
first, add by 8 to both sides. what you get

Answer 9

lol i got 15?

Answer 10

ha ? --"

Answer 11

i dont get ittttt. that's why i need the answer lol

Answer 12

5x - 8 = 2x + 7
if you add by 8 to both sides, it means :
5x - 8 + 8 = 2x + 7 + 8
5x = 2x + 15
understand ?

Answer 13

Ohhhhhh lol. i kinda get it.

Answer 14

so is the answer 22? or nah?

Answer 15

then
both sides subtracted by 2x, it means :
5x = 2x + 15
5x - 2x = 2x + 15 - 2x
3x = 15

Answer 16

5?

Answer 17

3 times what be equal 15 ?

Answer 18

yes, x = 5

Answer 19

i need help with another! lol

Answer 20

is it the same way?

Answer 21

i want, but i must going to bed, my eyes just like the lamp 5 watt's :)

hint, yes do same idea like before. good luck

Answer 22

lol ok thanks!