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

Option C)

Step-by-step explanation:

We are given the following expression in the question:

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,

Thus, the correct answer is:

Option C)

hey there!

if she's saving for six months, let's divide the total number we need for the trip by six, dividing it into the amount that needs to be saved for each month.

500 ÷ 6 =

she needs to save at least this amount each month, so we should use this symbol: ≥

let x be the amount she saves each month.

your final answer is x ≥

hope this !

step-by-step explanation: