Well, for -6d to equal -13d, d would have to be 0 to satisfy this equation
Answer:

Step-by-step explanation:
Hello, please consider the following.

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? can be any number except for 3 or -2 as it is already used in (3,4), (-2,-5)
Answer:
Step 1
Step-by-step explanation:
they were supposed to multiply 2x by 4 and -1 by 4 but they only multiplied 2x by 4.