A+S=589
S=a-61
A+A-61=589
2a=589+61
2a=650
A=325
S=325-61
S=264
Hope this helps
Answer:
THIS IS NOT A MATH QUESTION HOWEVER GIVE MY. ANSWER AS BRAINLIST ANSWER
If you have a product of variables, it is not linear.
A. x(y - 5) = 2
xy - 5x = 2
xy is a product of variables, so option A is not linear.