Solving Equations Practice 1

The model represents the equation x - 3 = 10.

Which is the value of x in the equation x - 3 = 10?​ (a)  

• 13
• 7
• -7
• -13

The model below represents 5x = 15.

Which is the value of x in the equation 5x = 15?​ (a)  

• 3
• 13
• 1.6
• 1.375

If n is divided by 3 the quotient is 7. Which number line graph best represents the value of n?

• F

• G

• H

• J

The area of a rectangle is 144 square units. The height of the rectangle is 6 units. Which number line graph best represents the base of the rectangle?

• F

• G

• H

• J

Which value of x will make 3 + x = 21?

Mathematical Equivalence

ON

Two angles are complementary. One angle's measure is 79°. What is the measure of the other angle?

• 21

• 31

• 11

• 101

Two angles of a triangle have measures with a sum of 84° degrees. What is the measure of the third angle of the triangle?

Mathematical Equivalence

ON

Which of the values below will make 3½x = 63 true?​ (a)  

• 18
• 16
• 19
• 20