Answer:
Hello! Your answer would be, A)x ≤ 10
Step-by-step explanation:
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The answer is d, Because terms are separated by signs, i.e multiplication/division.
The idea for transitions for an equation like this is

where m = slope
h = how much left or right (note the negative)
k = how much up or down
moving 13 down would mean
k = -13
so

D. would be your answer
19g/1000 would be the right answer when simplified.
Since b = 3 the equation changes
5a - 10(3) = 45
5a - 30 = 45
(Add 30 to both sides)
5a = 75
Divide 5 to both sides
a = 15