Algebra
Calculus
Trigonometry
Matrix
Question
Solve the equation
x1=−1,x2=9
Evaluate
3∣x−4∣=15
Divide both sides
33∣x−4∣=315
Divide the numbers
∣x−4∣=315
Divide the numbers
More Steps
Evaluate
315
Reduce the numbers
15
Calculate
5
∣x−4∣=5
Separate the equation into 2 possible cases
x−4=5x−4=−5
Solve the equation for x
More Steps
Evaluate
x−4=5
Move the constant to the right-hand side and change its sign
x=5+4
Add the numbers
x=9
x=9x−4=−5
Solve the equation for x
More Steps
Evaluate
x−4=−5
Move the constant to the right-hand side and change its sign
x=−5+4
Add the numbers
x=−1
x=9x=−1
Solution
x1=−1,x2=9
Show Solution
Graph
