SOLUTION: This question is about the Multiplication Property of Equality.
x/-9=-3
-9(x/-9)=-9(-3) How does the -9 outside of the ( ) reduce (x/-9) to x? Shouldn't it be -9(-9)=81?
x=27
Algebra.Com
Question 1011781: This question is about the Multiplication Property of Equality.
x/-9=-3
-9(x/-9)=-9(-3) How does the -9 outside of the ( ) reduce (x/-9) to x? Shouldn't it be -9(-9)=81?
x=27
Found 2 solutions by macston, MathLover1:
Answer by macston(5194) (Show Source): You can put this solution on YOUR website!
.
... Multiply both sides by -9
... -9/-9=1 so:
.
Answer by MathLover1(20849) (Show Source): You can put this solution on YOUR website!
...as you can see is divided by negative number ,and since we need eliminate from denominator and get , we will multiply by because
, so, when we multiply left side by we do same with right side and equation will not change its value
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