given the linear equation c=30+6y where c is the cost of the dictionary y years after 1904. determine the cost of the dictionary
1 answer:
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Explanation:
1. Solve for x in 4x - 2y = -2
2. Substitute x = y-1/2 into 3x + 2y = -12
3. Solve for y in 3(y-1)/2 +2y=-12
4. Substitute y= -3 into x = y-1/2
Answer;
x=−2
y=−3
