Question
Solve the equation
x1=213,x2=215
Alternative Form
x1=6.5,x2=7.5
Evaluate
3∣x−7∣×6=9
Multiply the terms
18∣x−7∣=9
Divide both sides
1818∣x−7∣=189
Divide the numbers
∣x−7∣=189
Cancel out the common factor 9
∣x−7∣=21
Separate the equation into 2 possible cases
x−7=21x−7=−21
Solve the equation for x
More Steps

Evaluate
x−7=21
Move the constant to the right-hand side and change its sign
x=21+7
Add the numbers
More Steps

Evaluate
21+7
Reduce fractions to a common denominator
21+27×2
Write all numerators above the common denominator
21+7×2
Multiply the numbers
21+14
Add the numbers
215
x=215
x=215x−7=−21
Solve the equation for x
More Steps

Evaluate
x−7=−21
Move the constant to the right-hand side and change its sign
x=−21+7
Add the numbers
More Steps

Evaluate
−21+7
Reduce fractions to a common denominator
−21+27×2
Write all numerators above the common denominator
2−1+7×2
Multiply the numbers
2−1+14
Add the numbers
213
x=213
x=215x=213
Solution
x1=213,x2=215
Alternative Form
x1=6.5,x2=7.5
Show Solution
