-3x-12=15 equation
The teacher will be very surprised to see your correct solution 😉
The solution
Detail solution
Given the linear equation:
-3*x-12 = 15
Move free summands (without x)
from left part to right part, we given:
$$- 3 x = 27$$
Divide both parts of the equation by -3
x = 27 / (-3)
We get the answer: x = -9
Sum and product of roots
[src]
$$-9$$
$$-9$$
$$-9$$
$$-9$$