Answer:
x=5
Step-by-step explanation:
First combine the like terms:
11x+x = 12x
then you'll get 12x=60
divide by 12 to get x by itself
whatever you do on one side you have to do on the other so :
12x/12=60/12
your answer is 5
11x + x =12x thus
12x/12 =60/12
value of x is 5