Question

Based on the figure below, what is the value of x?

3
9
12
15

Answer 1

why did you close the question

Answer 2

did you actually try solving the equation I gave you

Answer 3

i did not get it

Answer 4

noone on here ever actually exsplains it

Answer 5

that little square means 90 degrees
so (5x+15) plus 30 is 90

Answer 6

I was explaining it

Answer 7

there is not much to explain

Answer 8

you just have to solve (5x+15)+30=90 for x

Answer 9

did you need help solving the equation?

Answer 10

you have 5x+(15+30)=90 since addition is associative
can you do 15+30?

Answer 11

i know what it is i did it my self