Answer:
Take 16.28 x 8%. You get $1.30 so add 16.28 to 1.30 to get 19.58
Step-by-step explanation:
2x+y= -2, x + 2y = 2
x+y=3 , 2x-8y = 19
6x^2+3y^2=12 , x +y = 2