Question

Solve the absolute. There should be 2, if not 1. Show work and instructions:
3|2A + 7| = 3A + 12

Answer 1

1. Divide both sides by 3. Let me know what you get

Answer 2

2A + 7 = 3A + 4

Answer 3

You divided both sides by 3. That doesn't mean get rid of the absolute value just yet.

Answer 4

oh okay

Answer 5

So what do you have so far?

Answer 6

|2A + 7| = 3A + 4

Answer 7

Okay, so for the next step, apply this rule:

If |a + b| = c , then a + b = ±c

Answer 8

I just need the steps to the problem

Answer 9

And I am guiding you through the steps.

Answer 10

yes, but a + b = c will confuse me

Answer 11

I wonder what's so difficult about applying the rule so that afterwards you get

2A + 7 = ±(3A + 4)

Answer 12

I just need the steps and answer or I won't get it. Yes I got answer

Answer 13

I am in algebra 2, we didn't have to put +/- by anything unless it's positive/negative

Answer 14

so the end is 2A + 7 = 3A + 4 and 2A + 7 = -3A - 4 just solve those equations for A

Answer 15

which A do I +/-

Answer 16

Doesn't matter. As long as you put the A's on one side and the constants on the other (the numbers without variables)
So A = 3 and 2A + 3A = -4 - 7 5A = -11 A = -11/5

Answer 17

can you work out the problem, so I could see

Answer 18

I got A = -3

Answer 19

2A - 3A = 4 - 7
-A = -3
A = 3

Answer 20

I am getting a positive A not a negative

Answer 21

2A - 3A = -A
or are you not getting 2A - 3A

Answer 22

no I am it's just I missed interperted

Answer 23

it

Answer 24

sorry

Answer 25

so do you know how I got -A now?

Answer 26

yea! I am sorry @ArkGoLucky

Answer 27

no no it's fine

Answer 28

absolute values can be confusing

Answer 29

I just calculated it wrong cause I am tired