Answer:
first of all come to 1/4 1 divide by 4 is 0.25 now come to 12-4x its (8x) now brackets mean divide so 0.25 divide 8x is 0.3125 = now equation b x has no value so we will minus 3 from the brackets value 3 - 0.3125 =2.6875 THEREFORE 0.3125=2.6875
Step -by-step explanation: