270
-2 plus 5 equals +3
You can't. You need 2 equations to solve for 2 unknowns
You cannot solve it since it is not a true equation.
divide 20 by 10 which equals 2 the times 2 by 2 which equals 4
2y = 4 (divide both sides by 2 to solve) y = 2
22
3
3
x=2
The answer is x = 2.
x=-2