simplifying expressions

Simplify:

3x+4+5x+3

• 15x

• 8x+7

• 7x+8

• 6x + 9

Simplify:

4(7x+5)

• 28x+5

• 11x+9

• 7x+20

• 28x+20

3(2c - 5)

• 6c - 15
• 6c + 15
• 6c + 15
• -6c - 15

Simplify:

r +10r

• 11r

• -11r

• 9r

• 10r

Simplify:

9z - 21 - 3z + 10

• 12z - 31

• 6z - 31

• 12z - 11

• 6z - 11

Simplify:

5(2 - 7n)

• 52 - 57n

• 10 - 7n

• 10 - 35n

• 10 + 35n

Simplify:

8x + 2 + 10x + 1

• 18x + 3

• 10x + 11

• 21x

• 9x + 12