Combine like terms

Simplify the expression.

2x + 1 + 7x

• 10x

• 10

• 9x + 1

• 9 + 1x

Simplify the expression.

7v + 2 + 12 + 2v

• 23

• 23v

• 9 + 14v

• 9v + 14

Simplify the expression.

6x + 2x + 1 + 4

• 8x + 5

• 2x - 3

• 4x - 2

• 8x + 12

Simplify the expression.

-2x + 11 + 6x

• 8x+11

• 4x +11

• 4x

• 15x

Simplify the expression.

-6 + 2a + 1 + 2a

• -4a + 5

• -5 + 4a

• 4a - 5

• -4a - 5

Simplify the expression.

7 - 5m - 10m

• 7 + 15m

• 7 + 5m

• 7 - 5m

• 7 - 15m

Simplify the expression.

3 + 5x + 8 - 2x

• -3x² - 11

• 3x² + 11

• 11 - 3x

• 11 + 3x

Simplify the expression.

n - 10 + 9n - 3

• -3

• 9n-3

• n

• 10n -13

Simplify the expression.

-3x + 11y - 4x

• 7x + 11y

• -7x + 11y

• 7x - 11y

• 4xy

Simplify the expression.

3a + 7 - 2a

• 8a

• 12a

• a + 7

• 5a + 7