Solving Two Step Equations

What is the first step to solve this equation:
11 - 3x = 44

• Add 3 to both sides
• Subtract 11 from both sides
• Add 11 to both sides
• Divide 3 on both sides.

Tags

TEKS.MATH.7.11A

What was done to solve the equation?

(Line 1) 5x - 8 = 32

(Line 2) 5x = 40

(Line 3) x = 8

• add 8 to both sides, then divide both sides by 5

• add 8 to both sides, then divide both sides by 40

• subtract 8 from both sides, then divide both sides by 5

• subtract 8 from both sides, then multiply both sides by 5

Tags

CCSS.6.EE.B.5

• Subtract 9 from both sides of the equation.

• Add 9 to both sides of the equation.  

• Subtract 3 from both sides of the equation.

• Add 10 to both sides of the equation.  

Tags

TEKS.MATH.7.11A

What is the first step in solving this equation:
5x + 7 = 12

• Divide by 5
• Subtract 5
• Multiply by 7
• Subtract 7

Tags

TEKS.MATH.7.11A

The goal of solving two-step equations is to:

• francine
• Find the coefficient 
• Find the value of the variable

Tags

TEKS.MATH.7.11A

Using the "opposite operation" to "undo" and isolate the variable when solving an equation is more commonly called...

• Inverse operations
• math
• variable
• PEMDAS

Tags

TEKS.MATH.7.11A

-3a + 8 = 14

• a= -2
• a= -7.5
• a= 2
• a= 6

Tags

TEKS.MATH.7.11A

^{(a + 3)}⁄₇ = 3

• a= 18
• a= 21
• a= 4
• a= 11

Tags

TEKS.MATH.7.11A

3c + 5 = 23

• c = 3
• c = 6
• c = 7
• c = 18

Tags

TEKS.MATH.7.11A

3c + 5 = 23

Tags

TEKS.MATH.7.11A