Question

Which expression is equivalent to
10(-⅘x + 3) -2x?

a) -8x + 3
b) -10x + 3
c) -10x + 30
d) -30x + 30​

Answer 1

Answer:

Yhe answer is C.

Step-by-step explanation:

First, you have to get rids of brackets by multiplying :

$10( - \frac{4}{5} x + 3) - 2x$

$= 10( - \frac{4}{5} x) + 10(3) - 2x$

$= - 8x + 30 - 2x$

Next you have to collect the like-terms :

$- 8x + 30 - 2x$

$= - 10x + 30$