2.3 Multi Step equations

What is the FIRST STEP to solve this equation?

-11 + 3(b + 5) = 7

• subtract 7 from both sides

• multiply 3 by everything in the parenthesis

• divide 3 by everything in the parenthesis

• subtract 11 from both sides

Tags

CCSS.8.EE.C.7B

The objective when solving an equation is to....

• isolate the variable.
• check the solution.
• guess and check.
• Combine Like Terms.

Tags

CCSS.7.EE.B.4A

What is the first step in solving the equation

 $2a-4(a-5)=10$  

• Add 4 to both sides

• Add the 2a and a 

• Distribute 4 to a and -5

• Distribute -4 to a and -5

Tags

CCSS.8.EE.C.7B

5x - 4 + 2x = 3

Tags

CCSS.8.EE.C.7B

Solve:

3(x - 2) = 18

Tags

CCSS.7.EE.B.4A

 $\frac{x}{3}+10=15$  

• 75

• 15

• 25

• 5

Tags

CCSS.7.EE.B.4A

3x + 2(4x - 4) = 3

• 4
• 3
• 2
• 1

Tags

CCSS.8.EE.C.7B

2x + 3(5x - 7) = 47

• 1
• 2
• 3
• 4

Tags

CCSS.8.EE.C.7B

Solve the equation: 
4 - 2(x - 3) = 24

• - 7
• 7
• 14
• - 14

Tags

CCSS.7.EE.B.4A

5(x - 3) + 2x = 27

• x = 3
• x = 42/15
• x = 30/7
• x = 6

Tags

CCSS.8.EE.C.7B