Solving One Step Linear Addition Equations With Positive Numbers

How do you keep an equation balanced?

• What you do to one side, you have to do to the other

• Weigh them after each step

• Do 1 of each operation

• Don't stop believin

Tags

CCSS.HSA.REI.A.1

Solve this equation:
2+x=18

• x = 16

• x = 20

• x = 18

• x = -16

Tags

CCSS.6.EE.B.7

Solve this equation:
2x+12=40

• x = 20

• x = -14

• x = 14

• x = 28

Tags

CCSS.7.EE.B.4A

Solve this equation:
5x + 10 = 50 

• x = 8

• x = -8

• x = 16

• x = 10

Tags

CCSS.7.EE.B.4A

What is the most important thing to remember when solving equations?

• What you do to one side, you have to do to the other!

• You can do whatever you want, as long as the answer is positive

• You can do whatever you want, as long as the answer is negative

• You have to combine the constants with the variables. 

Tags

CCSS.6.EE.B.7

If a term is connected to a variable with addition, which inverse should be used to move it to the other side of the equation?

• inverse property

• alternative inverse

• multiplicative inverse

• additive inverse

Tags

CCSS.6.EE.B.7

If a coefficient is multiplied to a variable, which inverse do you use to move it to the other side of the equation?

• inverse operation

• multiplicative inverse

• additive inverse

• inverse property

Tags

CCSS.HSA.REI.A.1

Lloyd solves the equation 24x + 18(x – 2) = 216 for x. Some of his steps are shown. Which statement best describes what Lloyd did to get from Step 3 to Step 4?

• combined liked terms

• used the distributive property

• used the addition property of equality

• used the multiplicative inverse property

Tags

CCSS.HSA.REI.A.1

x + 12 = 20

• x = 32

• x = -32

• x = 8

• x = -8

Tags

CCSS.6.EE.B.7

Solve for x:

• x = 20

• x = 7

• x = 10

• x = 3

Tags

CCSS.6.EE.B.7