THE BEST SIDE OF X

Remedy for x; Peter is twice as old as his son. Twelve many years ago he was four times more mature than him. How aged are they now?Having the sq. root of x2 will cancel it out. So, take the sq. root of either side. You'll get x left around on one particular side and furthermore or minus the sq. root of sixteen, 4, on one other aspect. Thus, x = ±