Checking Solutions One Step Equations

After 4 students joined a class, the class has 32 students. Which equation can be used to find n, the number of students in the class before the new 4 students joined?

• n - 4 = 32

• 4n = 32

• n + 4 = 32

Tell whether the value of the variable is a solution to the equation:

3x=12; x=4

• yes

• no

Tell whether the value of the variable is a solution to the equation:

7 = 13 - n; n=5

• no

• yes

Determine the number of solutions for the following equation:
14 - 2 ( 3p + 1) = 6 ( 4 + p)

• No Solution

• One Solution

• Infinite Solutions

Mathematical Equivalence

ON

Mathematical Equivalence

ON

Mathematical Equivalence

ON

Mathematical Equivalence

ON

Mathematical Equivalence

ON

Mathematical Equivalence

ON