Question
Solve the equation
x=114
Alternative Form
x=0.3˙6˙
Evaluate
(5×4x)×21=2x−21
Remove the parentheses
5×4x×21=2x−21
Multiply
More Steps

Evaluate
5×4x×21
Multiply the numbers
25×4x
Multiply the terms
2×45x
Multiply the terms
85x
85x=2x−21
Multiply both sides of the equation by LCD
85x×8=(2x−21)×8
Simplify the equation
5x=(2x−21)×8
Simplify the equation
More Steps

Evaluate
(2x−21)×8
Apply the distributive property
2x×8−21×8
Simplify
2x×8−4
Multiply the numbers
16x−4
5x=16x−4
Move the variable to the left side
5x−16x=−4
Subtract the terms
More Steps

Evaluate
5x−16x
Collect like terms by calculating the sum or difference of their coefficients
(5−16)x
Subtract the numbers
−11x
−11x=−4
Change the signs on both sides of the equation
11x=4
Divide both sides
1111x=114
Solution
x=114
Alternative Form
x=0.3˙6˙
Show Solution

Rewrite the equation
11x=4
Evaluate
(5×4x)×21=2x−21
Evaluate
More Steps

Evaluate
(5×4x)×21
Remove the parentheses
5×4x×21
Multiply the numbers
25×4x
Multiply the terms
2×45x
Multiply the terms
85x
85x=2x−21
Reduce the fraction
85x=2x−21
Multiply both sides of the equation by LCD
5x=16x−4
Move the variable to the left side
−11x=−4
Solution
11x=4
Show Solution
