Question

Which value of x makes the following equation true?

7.8(x - 3) = -0.2x + 16.6
A. 5
B. 8
C. 7
D. 4

Answer 1

what class is this

Answer 2

It's for studyisland

Answer 3

oh my friend did studyisland and i helped her

Answer 4

Cool does she go to k12

Answer 5

idk

Answer 6

Oh. That's where I go. Do you think you can help me with question?

Answer 7

ummmmmmmm i really dont know

Answer 8

the answer

Answer 9

Do you know someone who might know?

Answer 10

Yea.

Answer 11

Ok, so, what you want to do, the hard way, is evaluate the equation with each of your solutions until they equal one another

Answer 12

So like, plug in 5 for x.

Answer 13

7.8(5-3) =-0.2x+16.6

Answer 14

15.6 = 15.6

Answer 15

Ah, it looks like A is right!

Answer 16

a is the correct answer