Two-Step Equations

(Solve for x:) x + 3 = 5

• x = 2

• x = 5

• x = 3

• x = -2

Tags

CCSS.6.EE.B.5

CCSS.6.EE.B.6

CCSS.6.EE.B.7

(Solve for x:) x - 3 = 5

• x = 2

• x = 5

• x = 8

• x = -2

(Solve for x, slash means divide:) x / 3 = 5

• x = 8

• x = 15

• x = 10

• x = -15

(Solve for x, star means multiply:) x * 3 = 18

• x = 1

• x = 54

• x = 10

• x = 6

What is an inverse operation?

• When you flip a fraction upside down

• The opposite of an equal sign

• An operation that makes an expression more complex

• An operation that "undoes" the effect of another operation

What is an equation?

• When you flip a fraction upside down

• Two equivalent expressions connected by an equal sign

• An operation that makes an expression more complex

• When one expression has a larger value than another

What is a solution?

• A value that will make an equation true, when you substitute it for the variable

• Two equivalent expressions connected by an equal sign

• An operation that makes an expression more complex

• When one expression has a larger value than another

Which pair of operations are inverses of each other?

• exponents and parentheses

• multiplication and addition

• addition and subtraction

• division and subtraction

Tags

CCSS.4.OA.A.2

(Solve for x:) 2x + 3 = 13

• x = 10

• x = 5

• x = 8

• x = -2

(Solve for x:) 2x - 4 = 6

• x = 5

• x = 10

• x = 1

• x = -1