Answer:
Step-by-step explanation:
x=4.5

Micah did not explain the last step correctly. You cannot cross out a term from the numerator and denominator unless it is a factor. In other words, x² needed to be multiplied and not added in order to cross it out.
Answer:
21.0%
Step-by-step explanation:
multiply 1/4 times 3 equal 3/4 or 0