Linear Expressions and Equations

Which is the correct simplified version of the expression shown below after combining like terms?

12 + 3.4x - 5.4x - x

• -3x + 12

• 9x

• 9.8x + 12

• -2x + 12

Tags

CCSS.7.EE.A.1

• 9x + 36

• -9x + 13

• 3x + 36

• None of the above

Tags

CCSS.6.EE.A.3

Which of the following shows the equation after the variables have been collected on the left and the constants have been collected on the right?

-2x + 13 = -7x + 28

• -9x = 15

• 5x = 15

• 5x = 41

• -9x = 41

• x = -4

• x =  29/5 

• x = 12

• x = 35

Tags

CCSS.7.EE.B.4A

Which is the constant in the expression:

4x + 5

• x

• 4

• 5

Tags

CCSS.6.EE.A.2B

Which is the variable in the expression:

3d + 7 - 6

• d

• 7

• 3

Tags

CCSS.6.EE.A.2B

Solve the equation:

-5 (x - 3) + 7x = 35

• x = 7

• x = 10

• x = 35

• x = 5

Tags

CCSS.8.EE.C.7B

Which is the correct order for the steps to solve equations:

• distribute, combine like terms, collect constants, solve

• combine like terms, distribute, collect variables, collect constants, solve

• distribute, combine like terms, collect variables, collect constants, solve

Tags

CCSS.8.EE.C.7B

• x = 50

• x = 88

• x = 5

• x = 8

Tags

CCSS.7.EE.B.4A

Solve for w:

-23 = 13w + 2w + 22

• x = 15

• x = -3

• x = 1/15

• x = 22

Tags

CCSS.8.EE.C.7B