Asked by deedra
Can someone please check my answers?
Thank you!
1. is (-8,-9) a solution of 2x+4y=12 No
2. Solve using the multiplication principle.
-1/2x=-9/10
answer: 9/5
Thank you!
1. is (-8,-9) a solution of 2x+4y=12 No
2. Solve using the multiplication principle.
-1/2x=-9/10
answer: 9/5
Answers
Answered by
Damon
2*-8 + 4*-9 = a negative number, no need to do more
multiply both sides by 10
-5 x = -9
so correct
HOWEVER
the way you typed it is ambiguous
Please type
(-1/2)x if you mean that
or
-1/(2x) if you mean that.
We need the parentheses to tell numerator from denominator
multiply both sides by 10
-5 x = -9
so correct
HOWEVER
the way you typed it is ambiguous
Please type
(-1/2)x if you mean that
or
-1/(2x) if you mean that.
We need the parentheses to tell numerator from denominator
Answered by
deedra
thank you
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