Equivalent Expressions and Equations with Variables

Plugging in a number for a variable is called

• operation

• evaluation

• substitution

• solving

Tags

CCSS.6.EE.A.2C

Which answer choice is equivalent to:

4(2x-5)+6x

THERE ARE 3 CORRECT ANSWERS

• 2(7x-10)

• 14x-20

• 20-14x

• 14x-5

• 8x-20+6x

Tags

CCSS.6.EE.A.3

Simplify:

15x + 2 - 5x + 6

• 5x + 8

• 15x + 8

• 10x + 8

• 17x + 11

Tags

CCSS.7.EE.A.1

Simplify:

10y + 2y + 3 + 4

• 13y + 6

• 12y + 7

• 19y

• 12y + 1

Tags

CCSS.7.EE.A.1

Simplify:

3(2x + 4) + 5x

• 11x + 12

• 11x + 4

• 5x + 18

• 6x + 9

Tags

CCSS.6.EE.A.3

Simplify:

10 + 4(2n + 3) -11n

• -3n + 22

• 7n + 13

• 19n + 17

• -3n + 13

Tags

CCSS.6.EE.A.3

Which answer choice is equivalent to:
18x-9

• 3(3x-3)

• 9(2x+1)

• 9(2x-1)

• 6(3x+(2/3))

Tags

CCSS.6.EE.A.4

• 8x - 16

• 2x - 4

• 2x + 4

• 4x - 4

Tags

CCSS.6.EE.A.3

Simplify:

6x + 9 -6x -9

• 0

• 12x + 18

• 18

• 12x

Tags

CCSS.7.EE.A.1

Terms that have the same variables such as 5x and -8x.

• like terms

• coefficients

• exponents

• variables

Tags

CCSS.6.EE.A.2B