-2 plus 5 equals +3
11x = 20x +1811x-20x=18x(11-20)=18-9x=18x=-2
34
3+4m+5m=214m+5m=21-39m=18m=18/9m=2
3
3
3x + 2 = x - 18 - 2 = - 2 3x = x - 20 - x = - x 2x = -20 /2 = /2 x = -10
n= -2
The answer is x = 2.
x=-2
-a + 2 = 18 - 2 = - 2 --------------- - a = 16 a = - 16
2+14=16