X-4/2 = 10
x+-2=10
x-2=10
x-2+2=10+2
x=12
3 boxes times 40 = 120 + 3 = 143
or 3 boxes times 43 = 129
All but the first simplify to something rational.
Answer:
It is similar because you have to always have the same numerator in adding or subtracting fractions. Adding fractions and subtracting mixed numbers is different because when u have a mixed number you have to simplify it to its lowest terms to make it easy to tell if it's a whole number or mixed.
example: 2 1/2 + 3/2= 4 now u know its a whole number but as a mixed number that would be 8/2
Step-by-step explanation:
Answer:
can you give the question
Step-by-step explanation: