Solving Algebra Equations

How do we figure out the value of a variable?

• Add up all the numbers in the equation.

• Multiply the variable by itself.

• Isolate the variable on one side of the equals sign.

• A variable has no set value.

Tags

CCSS.6.EE.A.2C

In the equation 2x + 3y = 19, what is the constant?

• y

• 19

• x

• 2

Tags

CCSS.6.EE.A.2B

Solve for x: 7x + 7 = 21

• x = 7

• x = 4

• x = 3

• x = 2

Tags

CCSS.7.EE.B.4A

What is the first step in solving the equation 2y - 11 = 25

• Subtract 11 from 25

• Add 11 to 25

• Divide 25 by 2

• Multiply 25 by 2

Tags

CCSS.7.EE.B.4A

What is the solution to the system of equations?

• No Solution

• (2, 0)

• Infinitely Many Solutions

• (0, 2)

Tags

CCSS.8.EE.C.8B

What is the solution to the system?

• (-1, 3)

• (-3, 1)

• (3, -1)

• (-3, -1)

Tags

CCSS.8.EE.C.8B

What is the number of solutions to the system of equations?

• No Solution

• Infinitely Many Solutions

• One Solution

• Two Solutions

Tags

CCSS.8.EE.C.8B

What is the solution to the system of equations?

• (-1, -3)

• (3, 1)

• (1, 3)

• (-3, -1)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

What is the solution to the system of equations?

• (2, -2)

• (2, 2)

• No Solution

• (-2, -2)

Tags

CCSS.8.EE.C.8B

What is the solution to the system of equations?

• (3, 4)

• (-3, -4)

• (-4, -3)

• (4, 3)

Tags

CCSS.8.EE.C.8B