Equivalent equations and moves

Which expression is equivalent to the original equation 2(x+6)=5

• 2x + 6 = 5
• 2(x + 5) = 6

• x + 6 = 5
• 2x + 12 = 5

Tags

CCSS.8.EE.C.7A

What move was made from the original equation to the new one:

Original: 4(x-2)=6
New: 4x-8=6

• The order of the terms was changed

• Combining like terms

• The distributive property

• Adding the same number to both sides of the equation.

Tags

CCSS.HSA.REI.A.1

What move was made from the original equation to the new one:

Original: 3(x-1)=7
New: 3x-3=7

• The order of the terms was changed

• Combining like terms

• The distributive property

• Adding the same number to both sides of the equation.

Tags

CCSS.HSA.REI.A.1

What move was made from the original equation to the new equation?

Original: 4x+5=10

New: 8x+10=20

• Subtract 5 from both sides.
• The same number was multiplied by all terms in the equation.

• Divide the entire equation by 2.
• Add 10 to both sides.

Tags

CCSS.HSA.REI.A.1

What move was made from the original equation to the new equation?

Original: 2x-9=25

New: -9+2x=25

• The order of the terms changed

• Combined like terms

• the same number was subtracted to both sides of the equation

• The distributive property was performed

Tags

CCSS.HSA.CED.A.4

What move was made from the original equation to the new equation?

Original: 20x-8=10

New: 10x-4=5

• The same number was divided by all terms in the equation.

• Multiplied the entire equation by 2.
• Subtracted 5 from both sides.

• Added 5 to both sides.

Tags

CCSS.HSA.REI.A.1

What move was made from the original equation to the new equation?

Original: -5x-8= -11

New: -8-5x= -11

• The same number was added to both sides

• The same number was subtracted to both sides

• The equation was multiplied by -1.
• The order of the terms changed

Tags

CCSS.HSA.CED.A.4

What move was made from the original equation to the new one?

Original: 6x-2=10

New: 3x-1=5

• Subtracted 2 from both sides.
• Multiplied the entire equation by 2.
• Divided the entire equation by 2.
• Added 1 to both sides.

Tags

CCSS.HSA.REI.A.1

Which equation is equivalent to the equation

2x+3x-5=8

• 5x - 5 = 8
• 3x - 5 = 8
• 2x + 3x + 5 = 8
• 5x + 3 = 8

Tags

CCSS.8.EE.C.7A

Which equation is equivalent to the equation

2x+6x+x=10

• 10x = 10
• 7x = 10
• 8x = 10
• 9x = 10

Tags

CCSS.8.EE.C.7A