Environmental Engineering Reference
In-Depth Information
■
Example 8.39
Problem:
If 0.5
x
- 1 = -6, find
x
.
Solution:
0.5
x
- 1 = -6
0.5
x
= -5
x
= -10
SUMMARY OF KEY POINTS
•
If
x
is in the numerator, leave
x
where it is and move the other numbers
away from
x
.
•
Only move
x
if it is in the denominator.
•
It does not matter if
x
is on the left side or the right side of the equation, as
x
= 7 and 7 =
x
mean the same thing.
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