I NEED HELP Justify each step of the solution by stating the property that was used to get each step.

Given: 2(10-13x)+9x=-34x+60

Step 1: 20-26x+9x=-34x+60

Step 2: -17x=-34x+40

Step 3: 17x=40

Step 4: x=40/17

Anabel uses 10 gallons of gas to drive 220 miles on the highway. if she travels at the same rate, how many miles can she drive on 7 gallons of gas

Agroup of students want to create a garden. they do not know the exact measurements but they propose using a variable to represent the length and width of the garden. the length of the garden is 10 feet longer than double the width. use a single variable to write algebraic expressions for both the length and width of the garden. write an algebraic expression for the area of the garden. use mathematical terms to describe this expression.

An ulcer medication has 300 milligrams in 2 tablets. how many milligrams are in 3 tablets?