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Answer:
-4c + 5d
Step-by-step explanation:
3 - 7 = -4, so c is equal to -4.
Since there is only one value for d, d stays the same as 5d.
Answer:
Simple column method
Step-by-step explanation:
11
x <u>13</u>
33
<u>110</u>
143
-0.4 because it is 3.6 - 4