Answer:
15x - y = - 6.....15x + 6 = y...so we sub in 15x + 6 in for y on the other equation
5x - 3y = -13
5x - 3(15x + 6) = -13 <== the new equation
Step-by-step explanation:
X= 6 y=9 and the last one is -40 i believe. the middle ones i'm not sure of
Convert the milligrams into grams
1,000 milligrams = 1 gram
so 1.75 grams X 1 gram/1 gram = 1.75 X 1 = 1.75 grams
hope that helps :)
