Quiz about Simplifying Linear Equations

Question 1

Simplify:

11x + 12y + 1y + 10x - 2

Accepted Answer

13y + 21x - 2

Answer

-13y + 21x - 2

Answer

-1y - 2x

Answer

13x + 21y - 2

Question 2

Simplify the expression: 3x - 2y - 8 + 2 - 3x -3y

Accepted Answer

-5y - 6

Answer

6x - 5y + 10

Answer

-5y - 10

Answer

6x - y - 6

Question 3

5a - 6b + 4a + 3b

Accepted Answer

9a - 3b

Answer

a + b

Answer

6ab

Answer

-b + a

Question 4

Solve for y:

5x + y = 16

Accepted Answer

y = -5x + 16

Answer

y = 5x + 16

Answer

y = 5y - 16

Answer

y = -5x - 16

Question 5

Solve:

y = mx + b , for b

Accepted Answer

b = y - mx

Answer

b = y + mx

Answer

b = mx - y

Answer

b = -y - mx

Question 6

Which of the following equations would be equivalent to $$4x+6+8x=2x+18$$ after like terms are combined? Remember you can only combine like terms on one side of the equals sign.

Accepted Answer

$$12x+6=2x+18$$

Answer

$$14x=12$$

Answer

$$10x+8=2x+18$$

Question 7

Which of the following equations would be equivalent to $$9y-14=5y-12-6$$ after like terms are combined? Remember you can only combine like terms on one side of the equals sign, and anything being subtracted must be treated as a negative value.

Accepted Answer

$$9y-14=5y-18$$

Answer

$$14y-14=-18$$

Answer

$$9y-14=-7y-6$$

Question 8

Which of the following equations would be equal to $$9x-30=4x+20$$ after simplifying by using properties of equality? Remember that anything being subtracted must be added to both sides in order to be canceled.

Accepted Answer

$$5x=50$$

Answer

$$13x=10$$

Answer

$$13x=50$$

Question 9

Solve for x:

2 + 5(x - 4) = 12

Accepted Answer

x = 6

Answer

x = 14/5

Answer

x = 2

Answer

x = 6/5

Question 10

Solve for x:

6 - 3(4x - 2) = 8x + 12

Accepted Answer

x = 0

Answer

x can be any number

Answer

x = 5/3

Answer

No Solution

Question 11

Solve for x:

18x + 3 - 4x = 2 + 8x - 6

Accepted Answer

x = - 7 /6

Answer

x = 7/6

Answer

x = 6/7

Answer

x = - 6/7

Question 12

Which equation has Infinite Solutions:

Accepted Answer

3x + 8 = 3x + 8

Answer

6x + 9 = - 9 - 6x

Answer

6x - 9 = 6x

Answer

3x + 8 = 6x + 16

Question 13

Select all that are equivalent to....

15 + 6x

Accepted Answer

3(2x + 5)

Accepted Answer

3(5 + 2x)

Answer

2(3x + 5)

Answer

21x

Answer

3(5 - 2x)

Question 14

Simplify the expression:

3 - 2a + 3a + 5a

Accepted Answer

6a + 3

Answer

5a+3

Answer

5a-3

Answer

8a+3

Question 15

Simplify the expression:

-(-x + 2) - 4x

Accepted Answer

-3x - 2

Answer

2x

Answer

-4x

Answer

-5x + 2

Simplifying Linear Equations

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