Question

Simplify these expression. a.4c+9+3. b. 10x+(-4)+(-10) c.-9+3x+14. d.11y+6+(-7)

Answer 1

a. 4c + 9 + 3

Add the constants (9 + 3 = 12).

Answer: 4c + 12

b. 10x + (–4) + (–10)

Add the constants [(–4) + (–10) = –14].

Answer: 10x – 14

c. –9 + 3x + 14

Add the constants (–9 + 14 = 5).

Answer: 3x + 5

d. 11y + 6 + (–7)

Add the constants [6 + (–7) = –1].

Answer: 11y – 1

Explanation:

straight from Penn

Answer 2

a)4c +12 b)10x + -14 c) 3x+5 d)11y+(-1)

Explanation:

as the nos without the variables can be added we can add the integers