Solve for X
X+10y=16
Add -10Y to both sides
X +10Y+ -10 Y= 16+ -10Y
answer
X = -10y +16
_____________________
Solve for X
Negative 2X +10y= -2
Add -10y to both sides
- 2X +10y+-10y=-2+ -10y
-2x=-10y-2
Divide both sides by -2
-2x/-2 = -10y-2/-2
ANSWER
X=5y+1