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=−3Divide both parts of the equation by -1
x = -3 / (-1)
We get the answer: x = 3
The graph
Sum and product of roots
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