Algebra
Calculus
Trigonometry
Matrix
Question
Solve the equation
x=−90
Evaluate
9x=10x−1
Multiply both sides of the equation by LCD
9x×90=(10x−1)×90
Simplify the equation
More Steps
Evaluate
9x×90
Simplify
x×10
Use the commutative property to reorder the terms
10x
10x=(10x−1)×90
Simplify the equation
More Steps
Evaluate
(10x−1)×90
Apply the distributive property
10x×90−90
Simplify
x×9−90
Use the commutative property to reorder the terms
9x−90
10x=9x−90
Move the variable to the left side
10x−9x=−90
Solution
More Steps
Evaluate
10x−9x
Collect like terms by calculating the sum or difference of their coefficients
(10−9)x
Subtract the numbers
x
x=−90
Show Solution
Rewrite the equation
x=−90
Evaluate
9x=10x−1
Reduce the fraction
91x=10x−1
Rewrite the expression
91x=101x−1
Multiply both sides of the equation by LCD
10x=9x−90
Solution
x=−90
Show Solution
Graph
