-3+8=-10 solve for x 9th grade math plz help

x/3+8 = 10 // - 10

x/3-10+8 = 0

1/3*x-2 = 0 // + 2

1/3*x = 2 // : 1/3

x = 2/1/3

x = 6

x = 6

Step-by-step explanation:

hope that helps>3

1 x=22.52

2: 65/39=604+39x

65x-39x=604

26x=604

x=604/26

×=23.23

answer: bearing in mind that a rectangle has a perimeter of length + length + width + width.

step-by-step explanation:

p = perimeter

l = length

x=width

p = 2l + 2x

p = 2(l+x)     < ==== perimeter of the base of the box.