7x-11=22
7x-11-22=0
7x-33=0
7x=33
x=33/7
7X -11 =22
7X= 22+11
X = 33/7
X = 4.71
COMPROBACION:
7X - 11 = 22
7(4.71) - 11 = 22
33 - 11 = 22