It's easier to work with problems such as –2.1x + 3.7 -5 + 4.9x when we rearrange the like terms vertically:
–2.1x + 3.7 -5 + 4.9x
becomes
–2.1x + 3.7
+4.9x -5
------------------
2.8x - 1.3 (answer)
Answer:
-3x+30
Step-by-step explanation:

Expand 

Simplify 

Edit: Misread the diagram, the previous answer was wrong.
<span>8(-9-5x)
</span>=8(-9) - 8(5x)
= -72 - 40x
= - 40x - 72
expand by using distributive property
hope it helps
Answer:
<u>11,1</u> <u>m/s</u>
Step-by-step explanation:
40km/hr equals 11,1111111 m/s
11,1111111 simplified: <u>11,1</u>
= <u>11,1</u> <u>m/s</u>