For this case we have to:
Let
So:

We have the solution will be given by:

Where:

Substituting:

The solutions are:

Returning the change:

Answer:

The answer is probably 30 or 60
Answer:
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Step-by-step explanation:
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Answer:
x=7/3
Step-by-step explanation:
3(x-4)=-5
3x-12=-5
3x=7
x=7/3
Answer:
L - W = 2 and 2L + 2W = 68
Step-by-step explanation:
The two equations here are going to be-
Length minus width equals 2
L - W = 2
And
Length x 2 + Width x 2 = 68
2L + 2W = 68