Writing & Solving Multi Step Equations

Twice Andy’s age plus 3 is 25. How old is Andy?

• 2(a + 3) = 25

• 2a + 3 = 25

• a/2 + 3 = 25

• (a + 3)/2 = 25

Twice Andy’s age plus 3 is 25. How old is Andy?

• 11

• 44

• 47

• 15.5

The number of CD’s sold last month was 8 more than 3 times the number of CD’s sold this month. Last month, 107 CD’s were sold. How many were sold this month?

• 8 + 3(107) = x

• 3(x + 8) = 107

• 8 + 3x = 107

• 3(107 + 8) = x

The number of CD’s sold last month was 8 more than 3 times the number of CD’s sold this month. Last month, 107 CD’s were sold. How many were sold this month?

• 345

• 43.6

• 329

• 33

The perimeter of triangle ABC is 28 in. Side AB is 6 in long and side BC is 8 in long. Find the length of side AC.

• 6 + 8 + x = 28

• 6 + 8 + 28 = x

• 2(6 + 8) = x

• 6 + 8 = 28 + x

The perimeter of triangle ABC is 28 in. Side AB is 6 in long and side BC is 8 in long. Find the length of side AC.

• 44 in

• 14 in

• 28 in

• -14 in

Seven more than the average of 4 numbers is 52. Find the sum of the 4 numbers.

• (7+ x)/4 = 52

• 7 + x/4 = 52

• 7 + (w+x+y+z)/4 = 52

• (7+ x)/5 = 52

Seven more than the average of 4 numbers is 52. Find the sum of the 4 numbers.

• 201

• 45

• 11.25

• 180

Eleven less than the quotient of a number and 3 is 18. Find the number.

• 11 - 3n = 18

• 11 - n/3 = 18

• 3/n - 11 = 18

• n/3 - 11 = 18

Eleven less than the quotient of a number and 3 is 18. Find the number.

• 87

• 21

• 9.7

• -7/3