Question

Which expression is equivalent to 7a — 8 — 12a + 4 ? a -9a b 31a c -5a - 4 d 19a + 12

Answer 1

Answer:

Option C)

$-5a - 4$

Step-by-step explanation:

We are given the following expression in the question:

$7a -8 - 12a + 4$

We have to simplify the given expression. This is done by collecting all the like terms together and simplifying. The following steps are taken.

Simplifying we get,

$7a -8 - 12a + 4\\=(7a-12a)+ (4-8)\\=-5a -5$

Thus, the correct answer is:

Option C)

$-5a - 4$