Forming Equation from Solution

Q. Convert Tree diagrams into Algebraic expressions.

Q.

if 12 subtracted from seven times a number is equal to five times the sum of the number and 2, find the number

Q. If the number of paper bags needed to put on a backyard sale is given by the equation, 7x - 10 = 60, the value of x is .

1. 10
2. 9
3. 8

Q. If the equation (5x - 2x)/2 = 12 represents the sale of table lamps, where x represents the number of table lamps sold, then the value of x is .

1. 7
2. 8
3. 3

Q. If the number of paper bags needed to put on a backyard sale is given by the equation, 7x - 10 = 60, the value of x is .

1. 10
2. 9
3. 8