Answer:
Step-by-step explanation:
for x, then, 7 = (x1+5) /2
14 = x1 + 5
9 = x1
for y, then, 4 = (y1+7) /2
8 = y1 + 7
1 = y1
S = (9,1)
Step-by-step explanation:
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We need to get rid of the fractions. Notice that there are 4 terms in the equation. Multiply both sides of the equation by 2 to get rid of the fractions. Multiply by 2 because 2 is the denominator.
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Subtract 4 from both sides in order to isolate the variable on the left.
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Move 3x to left hand side and change it's sign
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Subtract 3x from 1x
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Divide both sides of the equation by -2
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Answer:
Option C
Step-by-step explanation:
Since it's draining, it means it must start at a certain value and end at a maximum of 0 since water cannot ever be less than 0. Since it's original amount is 40, it can only start draining from 40 and end at max 0 hence 0 ≤ y ≤ 40
Topic: inequalities
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Answer:
a=b+c
Step-by-step explanation:
Dunno if that's what you're looking for, but that's what I got from what you gave