x+16=3x
16-3y=5y
w = (−5) ∗ (−4) ∗ (−12)
(9/2+5/2)÷11/5÷1/5
15+4a=7a
find the distance between pair of paint.
1.(4, 3) and (4,5)
2.(2,1) and (8,9)
3.(-4,-2) and (7,11)
4.(7,1) and (6,5)
-108×-7
24-3×4=
-1,6393x +57,989=1,275x 20,2