Equations With Variables on Both Sides With Rationals

What is the error?

• Adding 2x to 3x

• Subtracting 5 from both sides

• Adding 2x to -2x

• Dividing by 5 on both sides

Tags

CCSS.HSA.REI.A.1

Where is the first mistake?

• Distribution of the 5

• Distribution of the 10

• subtracting 60x from both sides

• dividing by -50

Tags

CCSS.HSA.REI.A.1

What is the first step you should take to solve this problem?

1 + 4n - 6n = 1 - 8n

• subtract 8n to both sides

• multiply 6n to both sides

• combine the like terms 4n + -6n

• add 1 to both sides

What is the first step you should take to solve this problem?

-3(x - 2) = -8 +9b

• add 8 to both sides

• subtract 9b from both sides

• Distribute -3 to the x and -2

• add 2 to both sides

Tags

CCSS.7.EE.B.4A

Where is the first mistake?

• Subtracting 3 on both sides

• Distributing the 9

• Subtracting 9x on both sides

• Inequality error

Solve:
30 + 6t = 11t

• 3

• 5

• 6

• 30

Solve:
10x + 9 = 4x - 9

• 0

• 3

• -3

• -18

Solve:
8w - 8 = -4w + 16

• 8

• 16

• 24

• 2

Solve:
7w + 5 = 3w - 15

• 5

• -2

• 2

• -5

Solve the equation:
4x - 5x + 9 = 5x - 9

• x = -3

• x = 9

• x = 3

• x = -9