Question
Solve the equation
x=48
Evaluate
21x−3=5+31x
Multiply both sides of the equation by LCM
(21x−3)×6=(5+31x)×6
Calculate
More Steps

Evaluate
(21x−3)×6
Apply the distributive property
21x×6−3×6
Multiply the numbers
More Steps

Evaluate
21×6
Reduce the numbers
1×3
Simplify
3
3x−3×6
Multiply the numbers
3x−18
3x−18=(5+31x)×6
Calculate
More Steps

Evaluate
(5+31x)×6
Apply the distributive property
5×6+31x×6
Multiply the numbers
30+31x×6
Multiply the numbers
More Steps

Evaluate
31×6
Reduce the numbers
1×2
Simplify
2
30+2x
3x−18=30+2x
Move the expression to the left side
3x−18−2x=30
Move the expression to the right side
3x−2x=30+18
Add and subtract
More Steps

Evaluate
3x−2x
Collect like terms by calculating the sum or difference of their coefficients
(3−2)x
Subtract the numbers
x
x=30+18
Solution
x=48
Show Solution

Rewrite the equation
x=48
Evaluate
21x−3=5+31x
Multiply both sides of the equation by LCD
3x−18=30+2x
Move the variable to the left side
x−18=30
Solution
x=48
Show Solution
