Question
Solve the equation
x=920
Alternative Form
x=2.2˙
Evaluate
5x−10=x×21
Use the commutative property to reorder the terms
5x−10=21x
Move the variable to the left side
5x−10−21x=0
Subtract the terms
More Steps

Evaluate
5x−21x
Collect like terms by calculating the sum or difference of their coefficients
(5−21)x
Subtract the numbers
More Steps

Evaluate
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
29x
29x−10=0
Move the constant to the right side
29x=0+10
Removing 0 doesn't change the value,so remove it from the expression
29x=10
Multiply by the reciprocal
29x×92=10×92
Multiply
x=10×92
Solution
More Steps

Evaluate
10×92
Multiply the numbers
910×2
Multiply the numbers
920
x=920
Alternative Form
x=2.2˙
Show Solution

Rewrite the equation
9x=20
Evaluate
5x−10=x×21
Use the commutative property to reorder the terms
5x−10=21x
Multiply both sides of the equation by LCD
10x−20=x
Move the variable to the left side
9x−20=0
Solution
9x=20
Show Solution
