Simplify 4x + 8x using the properties of operations.(1 point)

Responses

4x + 8
4 x plus 8

12x2
12 x squared

12x
12 x

4 + 8x

12x

Simplify Algebraic Expressions Quick Check

2 of 52 of 5 Items
Question
Simplify 9g−7h−6g + 2h . (1 point)
Responses

−2gh
negative 2 g h

3g + 5h
3 g plus 5 h

3g − 5h
3 g minus 5 h

2gh − 4gh

3g - 5h

Simplify 2a − 4b +7 + 8a + 6b − 2.(1 point)

Responses

−2ab + 14ab + 5
negative 2 a b plus 14 a b plus 5

12ab + 5
12 a b plus 5

10a − 2b +5
10 a minus 2 b plus 5

10a + 2b +5

10a + 2b + 5

Simplify 3/7x + 2/7x using properties of operations.(1 point)

Responses

5/14x
Start Fraction 5 over 14 End Fraction x

5/7x
Start Fraction 5 over 7 End Fraction x
2
5/7x
Start Fraction 5 over 7 End Fraction x squared
2
5/14x

5/7x

Simplify 6/7c − 5/9d − 12/ c + 1/3d.(1 point)

Responses

5/14c + 2/9d
Start Fraction 5 over 14 End Fraction c plus Start Fraction 2 over 9 End Fraction d

5/9c − 4/12d = 5/9c −1/3d
Start Fraction 5 over 9 End Fraction c minus Start Fraction 4 over 12 End Fraction d equals Start Fraction 5 over 9 End Fraction c minus Start Fraction 1 over 3 End Fraction d

5/14c − 2/9d
Start Fraction 5 over 14 End Fraction c minus Start Fraction 2 over 9 End Fraction d

5/9c + 4/12d = 5/9c +1/3d

Simplify 8a − 2a

6a

Simplify 12e − 5f − 7e +3f

5e - 2f

Simplify 9x + 3y − 6 − 5x + 4y −3

4x + 7y - 9

Simplify 9/11z − 4/11z

5/11z

implify 3/10x + 1/6y + 3/10x + 3/6y. Be sure to reduce any fractions to the lowest terms

(3/10x + 3/10x) + (1/6y + 3/6y) = 6/10x + 4/6y = 3/5x + 2/3y

Simplify 67c − 59d − 12 c + 13d .(1 point) Responses 514c − 29d Start Fraction 5 over 14 End Fraction c minus Start Fraction 2 over 9 End Fraction d 59c − 412d = 59c −13d Start Fraction 5 over 9 End Fraction c minus Start Fraction 4 over 12 End Fraction d equals Start Fraction 5 over 9 End Fraction c minus Start Fraction 1 over 3 End Fraction d 59c + 412d = 59c +13d Start Fraction 5 over 9 End Fraction c plus Start Fraction 4 over 12 End Fraction d equals Start Fraction 5 over 9 End Fraction c plus Start Fraction 1 over 3 End Fraction d 514c + 29d

5/9c + 4/12d = 5/9c + 1/3d