Question

42+8x+13=7

Answer 1

first, add 13 and 42 together and it will look like this.
55 + 8x = 7

Answer 2

then subtract 55 to the other side and it will look like this
8x + 48

Answer 3

negative 48. my bad

Answer 4

8x = -48

Answer 5

lastly divide -48 by the 8 and u will get this
x = -6

Answer 6

understand?

Answer 7

thanks

Answer 8

how do i check -3-6x=9 ?

Answer 9

add -3 to the other side of the equation. it would look like
-6x=6 so then u would divide both numbers by -6 and get
x=-1

Answer 10

its x= -2 sorry