Simplify Combining Like Terms

9u -1 +u +2 –4u -7

• 6u-6

• -12u-6

• 6u-4

• 4u-6

9u -1 -u +2 –4u -7

• 6u-6

• -12u-6

• 6u-4

• 4u-6

9u +1 +u +2 –4u -7

• 6u-6

• -12u-6

• 6u-4

• 4u-6

-9u -1 +u +2 –4u -7

• 6u-6

• -12u-6

• 6u-4

• 4u-6

4 + 9 + 9t + 4t –6 –2

• 13t+5

• 13t-3

• 13t-13

• -5t+5

-4 + 9 + 9t + 4t –6 –2

• 13t+5

• 13t-3

• 13t-13

• -5t+5

-a+-a+-a+-a

• 4a

• 4

• -4a

Simplify 4x + 8 + 2x - 7.

• 6x + 15

• 6x - 1

• 6x + 1

• 2x + 1

Simplify by combining like terms.
m + 9 - 4m

• 5m

• m + 5m

• -3m + 9

• 4m

Simplify by combining like terms:

-6k + 7k

• k

• -k

• 12k

• -12k