Question
Solve the equation
x=6
Evaluate
36=78−13x+6x
Add the terms
More Steps

Evaluate
−13x+6x
Collect like terms by calculating the sum or difference of their coefficients
(−13+6)x
Add the numbers
−7x
36=78−7x
Swap the sides of the equation
78−7x=36
Move the constant to the right-hand side and change its sign
−7x=36−78
Subtract the numbers
−7x=−42
Change the signs on both sides of the equation
7x=42
Divide both sides
77x=742
Divide the numbers
x=742
Solution
More Steps

Evaluate
742
Reduce the numbers
16
Calculate
6
x=6
Show Solution

Rewrite the equation
x=6
Evaluate
36=78−13x+6x
Evaluate
More Steps

Evaluate
78−13x+6x
Add the terms
More Steps

Evaluate
−13x+6x
Collect like terms by calculating the sum or difference of their coefficients
(−13+6)x
Add the numbers
−7x
78−7x
36=78−7x
Rewrite the expression
78−7x=36
Move the constant to the right side
−7x=−42
Multiply both sides
7x=42
Solution
x=6
Show Solution
