3x - 12 = -15
Add 12 on both sides.
-12 + 12 = 0
-15 + 12 = -3
The equation is now 3x = -3.
Divide both sides by 3 to isolate the variable.
3x / 3 = x
-3 / 3 = -1
So, x = -1.
To answer this question we need to add 39.95+1.95=41.9
Then just subtract: 90.75-41.9=48.85
The answer is 48.85.
Hope this helps! If it does, please rate, thank, and if it really helped give brainliest! Thanks! :)
Answer:
<h2><u><em>
x = 21</em></u></h2>
Step-by-step explanation:
5x - 12 = 3x + 30
5x - 3x = 30 + 12
2x = 42
x = 21
---------------------
check
5 * 21 - 12 = 3 * 21 + 30
93 = 93
the answer is good
Answer:
what is the shape?
Step-by-step explanation:
like is a square triangle or what ? show us a picture
