Math 7 - Solving Algebraic Equations

What is the first step in solving the following equation?
3x - 5 = 20

• multiply both sides by 5
• add 5 to both sides
• divide both sides by 5
• subtract both sides by 5

Tags

CCSS.6.EE.B.5

6 = a/4 + 2

• 16
• 15
• 14

Tags

CCSS.6.EE.A.2

CCSS.6.EE.B.5

CCSS.6.EE.B.6

7(9 + K)= 84
k =____________

• 3
• -3
• 5

Tags

CCSS.6.EE.A.2

CCSS.6.EE.B.5

CCSS.6.EE.B.6

CCSS.6.EE.B.7

-9x-13= -103

• 15
• 10
• 12

Tags

CCSS.6.EE.A.2

CCSS.6.EE.B.5

CCSS.6.EE.B.6

The goal of solving two-step equations is to:

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

Tags

CCSS.6.EE.B.5

CCSS.6.EE.B.7

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

CCSS.HSA.REI.A.1

CCSS.HSA.REI.B.3

Solve
-7+ 2x  = -23

• x = -8
• x = 8
• x = 13
• x = -13

Tags

CCSS.6.EE.B.5

CCSS.6.EE.B.6

4x + 7 = 23

• x = 16
• x = 4
• x = 9
• x = 12

Tags

CCSS.6.EE.A.2

CCSS.6.EE.B.5

CCSS.6.EE.B.6

CCSS.6.EE.B.7

15 - 2b = -9

• 10

• -12

• 12

• 10

Tags

CCSS.6.EE.B.5

CCSS.6.EE.B.6

CCSS.6.EE.B.7

6 + n/5 = -4

• -50

• 56

• 50

• 56

Tags

CCSS.6.EE.A.2

CCSS.6.EE.B.5

CCSS.6.EE.B.6