Question
Solve the equation
x1=−1,x2=15
Evaluate
5∣x−7∣=40
Divide both sides
55∣x−7∣=540
Divide the numbers
∣x−7∣=540
Divide the numbers
More Steps

Evaluate
540
Reduce the numbers
18
Calculate
8
∣x−7∣=8
Separate the equation into 2 possible cases
x−7=8x−7=−8
Solve the equation for x
More Steps

Evaluate
x−7=8
Move the constant to the right-hand side and change its sign
x=8+7
Add the numbers
x=15
x=15x−7=−8
Solve the equation for x
More Steps

Evaluate
x−7=−8
Move the constant to the right-hand side and change its sign
x=−8+7
Add the numbers
x=−1
x=15x=−1
Solution
x1=−1,x2=15
Show Solution
