Algebra
Calculus
Trigonometry
Matrix
Question
Simplify the expression
27−A
Evaluate
421−A−1
Covert the mixed number to an improper fraction
More Steps
Convert the expressions
421
Multiply the denominator of the fraction by the whole number and add the numerator of the fraction
24×2+1
Multiply the terms
28+1
Add the terms
29
29−A−1
Solution
More Steps
Evaluate
29−1
Reduce fractions to a common denominator
29−22
Write all numerators above the common denominator
29−2
Subtract the numbers
27
27−A
Show Solution
Factor the expression
21(7−2A)
Evaluate
421−A−1
Covert the mixed number to an improper fraction
More Steps
Convert the expressions
421
Multiply the denominator of the fraction by the whole number and add the numerator of the fraction
24×2+1
Multiply the terms
28+1
Add the terms
29
29−A−1
Subtract the numbers
More Steps
Evaluate
29−1
Reduce fractions to a common denominator
29−22
Write all numerators above the common denominator
29−2
Subtract the numbers
27
27−A
Solution
21(7−2A)
Show Solution
Find the roots
A=27
Alternative Form
A=3.5
Evaluate
421−A−1
To find the roots of the expression,set the expression equal to 0
421−A−1=0
Covert the mixed number to an improper fraction
More Steps
Convert the expressions
421
Multiply the denominator of the fraction by the whole number and add the numerator of the fraction
24×2+1
Multiply the terms
28+1
Add the terms
29
29−A−1=0
Subtract the numbers
More Steps
Simplify
29−A−1
Subtract the numbers
More Steps
Evaluate
29−1
Reduce fractions to a common denominator
29−22
Write all numerators above the common denominator
29−2
Subtract the numbers
27
27−A
27−A=0
Move the constant to the right-hand side and change its sign
−A=0−27
Removing 0 doesn't change the value,so remove it from the expression
−A=−27
Solution
A=27
Alternative Form
A=3.5
Show Solution