Algebra
Calculus
Trigonometry
Matrix
Question
Solve the equation
z1=−1,z2=10
Evaluate
∣2z−9∣=11
Separate the equation into 2 possible cases
2z−9=112z−9=−11
Solve the equation for z
More Steps
Evaluate
2z−9=11
Move the constant to the right-hand side and change its sign
2z=11+9
Add the numbers
2z=20
Divide both sides
22z=220
Divide the numbers
z=220
Divide the numbers
More Steps
Evaluate
220
Reduce the numbers
110
Calculate
10
z=10
z=102z−9=−11
Solve the equation for z
More Steps
Evaluate
2z−9=−11
Move the constant to the right-hand side and change its sign
2z=−11+9
Add the numbers
2z=−2
Divide both sides
22z=2−2
Divide the numbers
z=2−2
Divide the numbers
More Steps
Evaluate
2−2
Reduce the numbers
1−1
Calculate
−1
z=−1
z=10z=−1
Solution
z1=−1,z2=10
Show Solution
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