Adding and Subtracting Linear Expressions

Find (2x + 3) + (x + 4)

• 2x + x

• 12 + 3x

• 2x² + 12

• 3x + 7

(10j - 7) - (-9j + 2)

• j - 5

• 19j - 9

• j + 9

• 19j - 5

(3x +8) - 6(2.5x - 3)

• 18x -10

• 18x + 26

• -12x + 26

• 12x -10

(6x + 3y + 4) – (8x + 9y)

• -2x - 6y

• -2x - 6y + 4

• 2x + 6y + 4

• 14x + 12y + 4

Find the sum: 
2(x + 3) + 3(3x - 2)

• 11x

• 11x - 12

• 11x + 12

• 0

Find the difference (2x + 5) − (x + 4).

• x + 1

• 3x + 9

• −x + 1

• x + 9

Simplify the expression.

(4x + 3) - (2x - 1)

• 6x + 2

• 2x + 4

• 2x -2

Simplify.

Mathematical Equivalence

ON

Tags

7.AF.A.6

7.AF.A.7

7.AF.B.9

( -6d + 2) - (7 + 2d)

• 4d + 9

• -4d - 5

• -8d - 5

• 8d - 9

(7a + 4) - (9a + 2)

• -2a + 6

• 2a + 6

• -2a + 2

• 2a + 2