6) -5.4 - 7.8x = -78.408

6) -5.4 - 7.8x = -78.408
Answer
Explanation:
Step1: Isolate the term with x
Add 5.4 to both sides of the equation: $-5.4 - 7.8x+5.4=-78.408 + 5.4$ $-7.8x=-73.008$
Step2: Solve for x
Divide both sides by -7.8: $x=\frac{-73.008}{-7.8}$ $x = 9.36$
Answer:
$x = 9.36$