You add +7 to both sides and then divide by 9 to get the x alone.
Shirt: $50
Coat: $113
$50+ $113= $163
The coat costs $163, hope this helps!
-7
I might not be right but that’s what I got.
A=x
B= 2x
C=3x
If you add them up =
6x =180
÷6 both sides
x=30
A=30
B=60
C=90
one angle is 90 degrees so the triangle is classified as a right triangle
18. You can do this in a calculator. 26 - 8 = 18. v = 18.