Solving Linear Equations in One Variable with the Variable on Both Sides

How many solutions does the equation -3(2x+5)=-15 have?

• No solution

• One solution

• Infinite solutions

Tags

CCSS.8.EE.C.7A

What is a one-step equation?

• An equation with one correct answer.

• An equation containing a negative number.

• An equation requiring only one inverse operation to solve.

• None of the above

Tags

CCSS.6.EE.B.7

What is the first step to solve this equation?
3n - 4 = -2 + 2n 

• Add 2n to both sides of the equation

• Add 3n to both sides of the equation

• Subtract 2n from both sides of the equation

• Subtract 4 from both sides of the equation

What is the first step to solve this equation?
3x + 6 = 10 + 3x + 4x 

• Add 4x to both sides of the equation

• Combine like terms 3x and 4x on the same side of the equation

• Add 3x and 6 to get 9x

• Add 6 and 10 to get 16

Mathematical Equivalence

OFF

Tags

CCSS.7.EE.B.4A

What is the next step to solve this equation?
3x + 6 = 10 + 7x

• Add 6 to both sides of the equation

• Add 10 to both sides of the equation

• Add 7x to both sides of the equation

• Subtract 3x from both sides of the equation

What is the first step in solving the equation 2a - 4(a - 5) = 10

• Add 4 to both sides

• Add the 2a and a 

• Distribute 4 to a and -5

• Distribute -4 to a and -5

Tags

CCSS.8.EE.C.7B

3x + 2(4x - 4) = 3

• 4

• 3

• 2

• 1

Tags

CCSS.8.EE.C.7B

In order to solve an equation, we must get variables on side of an equation, and constants on the opposite side.

• True

• False

Tags

CCSS.7.EE.B.4A

A letter or symbol that represents an unknown value is called ______________.

• Variable

• Radicand

• Coefficient

• Constant

Tags

CCSS.6.EE.A.2B