Algebra
Calculus
Trigonometry
Matrix
Question
Solve the equation
x∈∅
Alternative Form
No solution
Evaluate
x+5−x−21=4
Calculate the sum or difference
More Steps
Evaluate
x+5−x−21
The sum of two opposites equals 0
More Steps
Evaluate
x−x
Collect like terms
(1−1)x
Add the coefficients
0×x
Calculate
0
0+5−21
Remove 0
5−21
Reduce fractions to a common denominator
25×2−21
Write all numerators above the common denominator
25×2−1
Multiply the numbers
210−1
Subtract the numbers
29
29=4
Multiply both sides of the equation by LCD
29×2=4×2
Simplify the equation
9=4×2
Simplify the equation
9=8
Solution
x∈∅
Alternative Form
No solution
Show Solution
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