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3 years ago

PLS HELP! If f(x) = -9x + 12, and f(x) = -6, find x.

Mathematics

1 answer:

aivan3 [116]3 years ago

5 0

Answer:

Step-by-step explanation:

You can rewrite thosee two equations as -9x+12=-6, because f(x)=f(x)

Now isolate x

-9x+12=-6

-9x+12-12=-6-12 (subtract 12, subtraction property of equality)

-9x=-6-12

-9x=-18 (simplify)

-9x/-9=-18/-9 (divide by 9, division property of equality)

x=2

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