Simplifying expressions

Simplify this expression:

4x + 2x + 5x

Simplify this expression:

5x + 3x + 7x + x

• 4x

• 16x

• 13x

• 17x

Simplify this expression:

k + k + k + k

Simplify this expression:

5m + 3m + 2m + m + m

• 12m

• 11m

• 10m

• 13m

Simplify this expression:

o + 2o + 12o + o + o + o

Simplify this expression:

15m + 2m + 6m + m

• 18m

• 23m

• 24m

• 25m

4m is the same as...

• m + m

• m + m + m

• m + m + m + m

• m + m + m + m + m

Check all the boxes that are correct.

3t is the same as...

• 2t + t

• t + t

• t + t + t

• t

Simplify this expression:

6m + 5y + 3m + 7y

Simplify this expression:

6r + 3s + 4r + 3s + s