Question

What is the sum of (–2.1x + 3.7) and (5 + 4.9x)?

A.) -7.0x + 8.7

B.) -2.8x + 8.7

C.) 2.8x + 8.7

D.) 7.0x + 8.7

Answer 1

C.) 2.8x + 8.7

Explanation:

Answer 2

C is the answer.

Exp :

(-2.1x+4.9x)+(3.7+5)

=2.8x+8.7