Simplifying Expressions

Simplify the expression:

-3r + 7 - 3r - 12

• -6r + 19

• 6r - 5

• -6r - 5

• -11r

Simplify by combining like terms:

12y - 8 + 4y + y

• 17y - 8

• 16y-8

• 9y

• 8y+y

-1/2(6x - 10)

• -3x + 5

• 3x + 5

• -3x - 5

• -12x + 20

Simplify the expression:

6x - 2(7x - 3)

• 20x + 6

• -8x + 6

• -20x + 6

• -8x - 3

(-m + 3) + (7m – 1)

• -8m + 2
• 6m + 2
• -8m + 4
• -6m + 2

Tags

CCSS.7.EE.A.1

Find the difference:
(2x + 7) - 3(5x - 4)

• -13x - 5
• 17x + 5
• 17x + 19

• -13x + 19

-2(4x - 6) - (x + 2)

• -9x + 10

• -7x + 10

• -7x + 14

• -9x + 14

Write an expression in simplest form for the perimeter of the figure.

• (a) + (2a + 3) + (3a - 1)

• 5a + 2

• 6a + 2

• 7a