Solving Equations with Variables on Both Sides Using Distribution

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?

• Distribution of the 5

• Distribution of the 10

• subtracting 60x from both sides

• dividing by -50

Tags

CCSS.HSA.REI.A.1

Where is the first mistake?

• Subtracting 3 on both sides

• Distributing the 9

• Subtracting 9x on both sides

• Inequality error

Solve the equation
12x - 15 = 3(2x+3)

• x = 4

• x = -4

• x = 2

• x = -2

Solve for x.

-2x - 30 = 8(x +5)

Mathematical Equivalence

ON

Tags

CCSS.8.EE.C.7B

Solve for x.

-7 (w + 7) = -3w -25

Mathematical Equivalence

ON

Tags

CCSS.8.EE.C.7B

Solve the equation

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

• x = -8

• x = 8

• x = 2

• x = -2

Solve for x.

4 (y - 4) = -6y -46

Mathematical Equivalence

ON

Tags

CCSS.8.EE.C.7B

Solve:
5y + 34 = -2(-7y+1)

• y = -4

• y = 9

• y = 4

• y = 36/19

Solve:
7x = 3x + 24

• 6

• 10

• 14

• 4