6-2x=6x-10x+20 solve for x
combine like terms and get all to the same side of equation
6-2x+10x-6x=20
10x-2x-6x+6=20
8x=20-6
8x=14
x=14/8=7/4
Multiply and add it up and you got ur answer
Answer:
uit is the mixed number of decimal point
12
since the difference of the first and third value is ten, each value is five more than the previous value