Question
Solve the equation
x=140
Evaluate
100=x−72x
Subtract the terms
More Steps

Evaluate
x−72x
Collect like terms by calculating the sum or difference of their coefficients
(1−72)x
Subtract the numbers
More Steps

Evaluate
1−72
Reduce fractions to a common denominator
77−72
Write all numerators above the common denominator
77−2
Subtract the numbers
75
75x
100=75x
Swap the sides of the equation
75x=100
Multiply by the reciprocal
75x×57=100×57
Multiply
x=100×57
Solution
More Steps

Evaluate
100×57
Reduce the numbers
20×7
Multiply the numbers
140
x=140
Show Solution

Rewrite the equation
x=140
Evaluate
100=x−72x
Evaluate
More Steps

Evaluate
x−72x
Collect like terms by calculating the sum or difference of their coefficients
(1−72)x
Subtract the numbers
More Steps

Evaluate
1−72
Reduce fractions to a common denominator
77−72
Write all numerators above the common denominator
77−2
Subtract the numbers
75
75x
100=75x
Multiply both sides of the equation by LCD
700=5x
Rewrite the expression
5x=700
Solution
x=140
Show Solution
