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7-x=4 equation

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Numerical solution:

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The solution

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7 - x = 4
7x=47 - x = 4
Detail solution
Given the linear equation:
7-x = 4

Move free summands (without x)
from left part to right part, we given:
x=3- x = -3
Divide both parts of the equation by -1
x = -3 / (-1)

We get the answer: x = 3
The graph
-10.0-7.5-5.0-2.50.02.55.07.510.012.515.017.5-2020
Sum and product of roots [src]
sum
3
33
=
3
33
product
3
33
=
3
33
3
Rapid solution [src]
x1 = 3
x1=3x_{1} = 3
x1 = 3
Numerical answer [src]
x1 = 3.0
x1 = 3.0