7x-10y=20

10x-10y=-10

Solve for x. x+2+x=2

1. Fourteen less than the product of 3 and a number is the sam : 6 more than twice the number. What is the number?

Maria drives at a rate of 60 miles per hour. It takes her 3 hours to get to her aunt's house. How long will it take if she drives at a rate of 50 miles per hour?

Your company intends to purchase a 400 tonne capacity injection moulding machine. A similar machine was purchased eight years ago for $89,500. The price index for heavy duty equipment in the plastics industry was 163.6 eight years ago and is 207.

3. The value of the expression 5.104 + 4.103 + 7.10 + 1 is equal to:

Kayla is 2 times as old as gabriella. 12 years ago, kayla was 6 times as old as gabriella how old is gabriella now i need step by step so i know how and get full credit

Dan must do homework for 1/2 of an hour and clean his room for 1/3 of an hour before he can play. What faction of an hour must Dan do homework and clean before he can play

Solve for x. 34+x=12 Enter your simplified answer in the box.

An expression is shown below: 3pf^2 - 21p^2f + 6pf - 42p^2 Part A: Rewrite the expression so the GCF is factored completely. Part B: Rewrite the expression completely factored. Show the steps of your work.

Identify the variable expression that is not a polynomial. A. Y+1 B. C. x^12 D. 23