Algebra
Calculus
Trigonometry
Matrix
Question
Solve the equation
r1=21,r2=2
Alternative Form
r1=0.5,r2=2
Evaluate
∣5−4r∣=3
Separate the equation into 2 possible cases
5−4r=35−4r=−3
Solve the equation for r
More Steps
Evaluate
5−4r=3
Move the constant to the right-hand side and change its sign
−4r=3−5
Subtract the numbers
−4r=−2
Change the signs on both sides of the equation
4r=2
Divide both sides
44r=42
Divide the numbers
r=42
Cancel out the common factor 2
r=21
r=215−4r=−3
Solve the equation for r
More Steps
Evaluate
5−4r=−3
Move the constant to the right-hand side and change its sign
−4r=−3−5
Subtract the numbers
−4r=−8
Change the signs on both sides of the equation
4r=8
Divide both sides
44r=48
Divide the numbers
r=48
Divide the numbers
More Steps
Evaluate
48
Reduce the numbers
12
Calculate
2
r=2
r=21r=2
Solution
r1=21,r2=2
Alternative Form
r1=0.5,r2=2
Show Solution
Graph
