combining like terms

Simplify the expression by combining like terms:

7b - 3b + 4

• 10b + 4

• 8b

• 4b + 4

Simplify the expression by combining like terms:

9x + x - 4x + x

• 7x

• 5x

• x² + 5x

Simplify the expression by combining like terms:

8x - 3 + 4x - 3

• 12x - 6

• 4x - 6

• 6x

Simplify the expression by combining like terms:

6a - 3a - a - 12

• 3a - a - 12

• 3a - 12

• 2a - 12

Simplify the expression by combining like terms:

7x + 2y + 9x + 8

• 9xy + 9x + 8

• 16x + 2y + 8

• 18xy + 8

Simplify the expression by combining like terms:

6n - n + 3 - 1

• 5n + 2

• 5n - 2

• 7n - 2

Simplify the expression by combining like terms:

y + 9 + 2b + y + 5b + 2

• 2y + 7b + 11

• y + 3b + 11

• y² + 7b + 11

Simplify the expression by combining like terms:

16y - 7y

• 9y

• 23y

• 9y²

Simplify the expression by combining like terms:

2a - 3b + 5b - a

• 3a + 2b

• a + 2b

• 3ab

Simplify the expression by combining like terms:

g² - 6 + 6g²- 2 + h

• 7gh² - 8

• 7g² - 8 + h

• 7g² - 8