2+a4−2= 2+\frac{a}{4}-2= 2+4a−2=
We move the fraction to the beginning of the exercise and will place the rest of the exercise in parentheses to make solving the equation easier:
a4+(2−2)= \frac{a}{4}+(2-2)= 4a+(2−2)=
a4+0=a4 \frac{a}{4}+0=\frac{a}{4} 4a+0=4a
94 \frac{9}{4} 49