Provide an appropriate response.
-Solving for which variable in which equation involves the least amount of work?
5x - 7y = -60
-9x - 3y = 30
A) x in equation 2
B)y in equation 1
C)y in equation 2
D)x in equation 1

Question

Provide an appropriate response.
-Solving for which variable in which equation involves the least amount of work? 
5x - 7y = -60 
-9x - 3y = 30
A) x in equation 2
B)y in equation 1
C)y in equation 2
D)x in equation 1

Quizplus · Accepted Answer

Solving for y in equation 2 involves the least amount of work because the coefficient of y (-3) is the smallest in absolute value, making it easier to isolate y compared to other variables in both equations.

Provide an Appropriate Response