Solving Linear Equations in One Variables

Derrick is 4 years older than his brother. The sum of their ages is 30. How old is Derrick?

• 13

• 17

• 30

• 5

Tags

A1.ACE.1

Solve for x:

• x = 20
• x = 7
• x = 10
• x = 3

Solve the equation below:

• k = 152
• k = 176
• k = 5
• k = 27

Solve the equation

-5x=25

• x=-5

• x=2

• x=25

• x=-8

18+m=8

• m=0
• m=10
• m=-10
• m=8

Solve for x; -2x = -9

• -4.5

• 3

• 6

• 4.5