Check whether the value of x given is a solution of the given equation or not:
x+7=13, x=6
For x=6,
L.H.S.=x+7=6+7=13
Also,
R.H.S.=13
Clear, L.H.S.=R.H.S.
Hence, x=6 is a solution of the given equation.
8x-3=9x+15, x=-6
Check whether the value given in brackets is a solution to the given equation or not:
4x+3=5(x=-2)