Solving Algebraic Expressions with One Variable Two Terms

Solve for x

• x = 2

• x = 0

• x = 9

• x = -2

Tags

CCSS.7.EE.B.4A

Tags

CCSS.6.EE.B.7

Tags

CCSS.8.EE.C.7B

6x-9x-4=-2x+2

Solve for x. Enter the number only. If necessary, use decimal form (no fractions).

Tags

CCSS.8.EE.C.7B

Solve for x. Enter the number only. If necessary, use decimal form (no fractions).

Tags

CCSS.7.EE.B.4A

What does x equal?

• x=1/5

• x=9

• x=5

• x=9/5

Tags

CCSS.7.EE.B.4A

2x-5=19

Tags

CCSS.7.EE.B.4A

Solve for x. Enter the number only. If necessary, use decimal form (no fractions).

Tags

CCSS.7.EE.B.4A

How do you prove that your solution is correct? What is your success criteria for solving equations?

• I don't need to check: it's probably right!

• Substitution: plug the solution in for x and verify that the number sentence is true.

Tags

CCSS.6.EE.B.7

½x + ⅓x = 5

• x = ⅕

• x = 1

• x = 5

• x = 6

Tags

CCSS.8.EE.C.7B