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Start with the given equation.
Divide both sides by -3.
Remember, the equation
breaks down to
or
. So in this case,
breaks down to
or
Let's solve the first equation
Start with the first equation.
Subtract
from both sides.
Subtract
from both sides.
Combine like terms on the left side.
Divide both sides by
to isolate
.
Reduce.
So the first possible solution is
However, we must check it
Check:
Start with the given equation.
Plug in
Multiply
Add
Take the absolute value
Multiply
Since the equation is true, this means that
is a solution.
So the first solution is
------------------------------------
Now let's solve the second equation
Start with the second equation.
Subtract
from both sides.
Add
to both sides.
Combine like terms on the left side.
Divide both sides by
to isolate
.
So the second possible solution is
However, we must check it
Check:
Start with the given equation.
Plug in
Multiply
Add
Take the absolute value
Multiply
Since the equation is
not true, this means that
is
not a solution.
=====================================================
Answer:
So the only solution is
