Hurry! What is the sum of (–2.1x + 3.7) and (5 + 4.9x)? A. – 7.0 x + 8.7 B. – 2.8 x + 8.7 C. 2.8 x + 8.7 D. 7.0 x + 8.7 About the author Adeline
Step-by-step explanation:
(-2.1x + 3.7) + (5 + 4.9x)
=-2.1x + 3.7 + 5 + 4.9x
=2.8x + 8.7