7-x=4 equation
The teacher will be very surprised to see your correct solution 😉
The solution
Detail solution
Given the linear equation:
7-x = 4
Move free summands (without x)
from left part to right part, we given:
$$- x = -3$$
Divide both parts of the equation by -1
x = -3 / (-1)
We get the answer: x = 3
Sum and product of roots
[src]
$$3$$
$$3$$
$$3$$
$$3$$