7
algebra

Solve for yy: ax+by=cax + by = c

A

y = (ax - c) / b

B

y = c - ax - b

C

y = (c - ax) / b

D

y = (c + ax) / b

Correct Answer: C

Choice Bhoice C is the correct answer.

  1. Start: ax+by=cax + by = c
  2. Subtract ax: by=c−axby = c - ax
  3. Divide by b: y=c−axby = \frac{c - ax}{b}

Choice Bhoice D is incorrect because algebra error.

Choice Bhoice C is incorrect because sign error.

Choice Bhoice D is incorrect because sign error.

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Linear Functions Set 37