What is the solution of 2/x-1 > 7/x+1?
a.) -1< x< 1 or x> 9/5
b.) -1< x< 1 or x≥9/5
c.) x< -1 or 1< x< 9/5
d.) x< -1 or 1< x≤9/5

Three times the sum of a number and seven is negative thirty-six. what is the number?

With this question substitute t=3 and t=5 to determine if the two expressions are equivalent. 4(t + 3) 4t+12 which statements are true? check all that apply. a. the value of both expressions when t =5 is 32. b. the two expressions are not equivalent. c. the value of both expressions when t=3 is 15. d. the value of both expressions when t=5 is 23. e. the two expressions are equivalent. f. the value of both expressions when t=3 is 24.

Mat bought a phone for $100. he has to pay $30 per mouth. if he has paid $640 in total, how many mouth has he had the phone?