Answer:
5, -2 (I think)
Step-by-step explanation:
Screenshots below, hope they help '-'
x= 1/20
-1/2x = -10
multiply by 2x on each side
2x(-1/2x) = -10*2x
-1 = -20x
divide by -20
-1/-20 = -20x/-20
1/20 =x
a=-5
divide both sides by -2: -5=a
sorry if wrong put b as the answer
