Equations and expressions

Simplify the following expression:
-10x + 15 - 3x + 2

• 13x² + 17
• -13x² + 13
• -13x + 17
• -7x + 17

Simplify the following expression:
19 - ( 3 - 5b)

• 16 + 5b
• 21 + 5b
• 16 - 5b
• 21 - 5b

Tags

CCSS.6.EE.A.3

Simplify 5(2 - 7n)

• 52 - 57n

• 10 - 7n

• 10 - 35n

• 10 + 35n

Simplify the expression:
6 + 2(7x - 3) 

• 12 + 7x
• 14x
• 14x + 3
• 9 + 7x

Tags

CCSS.6.EE.A.3

Evaluate

2x + 5(y - 1)

when x=8 and y=5

• 20

• 31

• 36

• -4

Evaluate

4 + (y + 3) + y²

for y = -5

• 42

• 37

• 27

• 31

Solve for x

-2(x + 3) - 5 = 11

• x = - 11

• x = 2

• x = 11

• x = -2

Solve for x

5(x+9) = 9(x+7) - 2

• x = 29

• x = -6

• x = -24

• x = -4

Solve for y

7(1 - y) = -3(y - 2)

• x = 1/4

• x = 4

• x = 5

• x = -1/4

Solve for c: 

• c = -1

• c = 5/2

• c = 1

• c = 22