4-1.175=2.825
There was 2.825 liters left in the tank.
Hope this helps.
the answer is 4. You add it up/
(- 3/4) + (-3/8)
= (- 6/8) - 3/8
= negative 9/8
-5(a + 3) = -55
(a + 3)(-5) = -55
(a + 3) (-5)/-5 = -55/ (-5)
a + 3 = 11
a + 3 (-3) = 11 (-3)
a = 8
hope this helps