Equations With One Variable

Solve for k.... 31 - 3k = 10

• k = 10

• k = -10

• k = -7

• k = 7

Tags

CCSS.7.EE.B.4A

What branch of mathematics deals with equations with variables?

• Algebra

• Geometry

• Calculus

• Physics

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.B.7

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

Which symbol is present in every equation?

• x

• +

• -

• =

Tags

CCSS.6.EE.A.2B

7x = 4x + 33

• 3

• 11

• 21

• 88

Solve:
2x + 1 = 2x - 1

• No Solution

• x = 0

• Infinitely Many Solutions

Tags

CCSS.8.EE.C.7A

Solve:
3x + 15 = 3(x + 5)

• No Solution

• x = 15

• Infinitely Many Solutions

Tags

CCSS.8.EE.C.7A

Determine the type of solution you will have if you get

-6=6

• one solution

• infinitely many solutions

• no solution

• I don't know. I need to study.

Tags

CCSS.8.EE.C.7A