7th grade simplify expressions

Choose an expression that is equivalent to the following
6n + 2(3 - 5n)

• n + 6
• 6 - 4n
• 16n + 6

Tags

CCSS.6.EE.A.4

Choose the first step in solving the following equation.
-3y - 12 = 14

• add 3 from both sides
• add 12 to both sides
• subtract 12 from both sides

Tags

CCSS.HSA.REI.A.1

0.1( x - 20 ) > 2

• x > 40
• x < 40
• x > 220

Tags

CCSS.7.EE.B.4B

Given an equilateral triangle with a side length of 4 + 2y. Find the perimeter.

• (4 + 2y)/ 3
• 4/3  +2y/3
• 3(4 + 2y)

Tags

CCSS.7.EE.A.1

The perimeter of an equilateral triangle is 18y - 6.  What is the length of one side of the triangle?

• 6y - 2
• 54y -18
• 3(18y -6)

Tags

CCSS.6.EE.B.7

• -3m + 36
• -9m + 36
• 3m + 36

Tags

CCSS.6.EE.A.3

Fred Flintstone bought seven boxes to put with his collection of boxes. A week later half the boxes were ruined in the rain. There are now only 22 boxes left. With how many did he start? (Select the correct equation)

• (x + 7)/2  = 22
• x/2 + 7 = 22
• x + 7/2 = 22

Tags

CCSS.HSA.CED.A.3

Which expression is equivalent to (s - 12) / 2

• s/2 -12
• s - 6
• s/2 - 6

Tags

CCSS.6.EE.A.4

-12x > 36

• x > -3
• x > 48
• x < -3

Tags

CCSS.6.EE.B.8

Simplify - ( - 12y + 8)

• 12y + 8
• 12y - 8
• -12y - 8

Tags

CCSS.7.EE.A.1