SOLUTION: solve the equation or inequality. Write solutions to inequalities using both inequality and interval notation. ǀ4x - 7ǀ = 13

Algebra ->  Graphs -> SOLUTION: solve the equation or inequality. Write solutions to inequalities using both inequality and interval notation. ǀ4x - 7ǀ = 13      Log On


   

Question 932947: solve the equation or inequality. Write solutions
to inequalities using both inequality and interval notation.
ǀ4x - 7ǀ = 13
Answer by MathLover1(20850) About Me  (Show Source):
You can put this solution on YOUR website!

abs%284x-7%29=+13
abs%284x-7%29=%284x-7%29 or abs%284x-7%29=-%284x-7%29
so, if 4x-7=+13=>4x=+13%2B7=>x=20%2F4=>x=5
if -%284x-7%29=+13=>-4x=+13-7=>x=6%2F-4=>x=-3%2F2

+graph%28+600%2C+600%2C+-5%2C+10%2C+-5%2C+20%2C13%2C+abs%284x-7%29%29+