Algebra
Calculus
Trigonometry
Matrix
Question
Solve the equation
x1=−4,x2=5
Evaluate
∣2x−1∣=9
Separate the equation into 2 possible cases
2x−1=92x−1=−9
Solve the equation for x
More Steps
Evaluate
2x−1=9
Move the constant to the right-hand side and change its sign
2x=9+1
Add the numbers
2x=10
Divide both sides
22x=210
Divide the numbers
x=210
Divide the numbers
More Steps
Evaluate
210
Reduce the numbers
15
Calculate
5
x=5
x=52x−1=−9
Solve the equation for x
More Steps
Evaluate
2x−1=−9
Move the constant to the right-hand side and change its sign
2x=−9+1
Add the numbers
2x=−8
Divide both sides
22x=2−8
Divide the numbers
x=2−8
Divide the numbers
More Steps
Evaluate
2−8
Reduce the numbers
1−4
Calculate
−4
x=−4
x=5x=−4
Solution
x1=−4,x2=5
Show Solution
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