Solve the following to find the value of the variables.
x+4=15.
The given equation is x+4=15
x+4=15
x=15-4
x=9
Hence the value of xis9.
Find the value of unknown variables by solving the given linear equation
4+K-7=2
-7x+6=-34.
2(x+1)=4
5x-43=7.