Question
Solve the equation
x=−3
Evaluate
72x−54x+55=1
Subtract the terms
More Steps

Evaluate
72x−54x
Collect like terms by calculating the sum or difference of their coefficients
(72−54)x
Subtract the numbers
18x
18x+55=1
Move the constant to the right-hand side and change its sign
18x=1−55
Subtract the numbers
18x=−54
Divide both sides
1818x=18−54
Divide the numbers
x=18−54
Solution
More Steps

Evaluate
18−54
Reduce the numbers
1−3
Calculate
−3
x=−3
Show Solution

Rewrite the equation
x=−3
Evaluate
72x−54x+55=1
Evaluate
More Steps

Evaluate
72x−54x+55
Subtract the terms
More Steps

Evaluate
72x−54x
Collect like terms by calculating the sum or difference of their coefficients
(72−54)x
Subtract the numbers
18x
18x+55
18x+55=1
Move the constant to the right side
18x=−54
Solution
x=−3
Show Solution
