Number 3: find the value of x

x=4

Step-by-step explanation:

The sum of the interior angles opposite the exterior angle of a triangle are equal to that exterior angle

11x-2  + 9x+1  =  19x+3

20x -1 = 19x+3

Subtract 19x from each side

20x-19x -1 = 19x-19x+3

x-1 =3

Add 1 to each side

x-1+1 =3+1

x=4

no this is a nonlinear negative

saving = more money

step-by-step explanation:

if you have 100 bucks, and you want to buy a candy bar, even if you have one at home, if you choose not to buy it, you save.

~courtney