Linear Equations Introductions

Belle has 23 ornaments on her tree. She purchased more ornaments to have a total of 40 ornaments on her tree. Which equation would best be used to determine how many ornaments were purchased?

• 40 +t = 23

• 40 -23 = t

• 23 +t = 40

• 23 -t = 40

If g = 3, which number sentence is true?

• 5g=15

• 15+g=5

• g/5=15

• g+5=15

The power of the unknown numbers of a linear equation in one variable is …

• Zero

• 1

• 2

• 3

• 1
• 2
• 3
• 4

• 5
• 6
• 7
• 8

• 2
• 3
• 4
• 5

• 1
• 2
• 3
• 4

Solve:
3(x - 2) = 18

• 6.7

• 4

• 8

• -4

Solve for x:
6(2x + 1) = 18

• 3

• 17/12

• 1

• 2

Solve for x:
10 = 3x -12

• 22/3

• 2/3

• 10/9

• 8