3 years ago

Solve by the substitution method 7x+6y = -17 -3x+y =18

Mathematics

1 answer:

Novay_Z [31]3 years ago

3 0

6 is your answer so it's like this x=3 y=6 or x=6 y=3

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3 years ago

Which of the following expressions are equivalent to - -a/b

riadik2000 [5.3K]

Answer:

B) $-\frac{a}{-b}$

Step-by-step explanation:

1. First, we have to know that two negatives equal positive.

2. Given the information above, $-\frac{-a}{b}$ can simplify to $\frac{a}{b}$ .

3. Let's go through each answer choice and see which one also simplifies to $\frac{a}{b}$ .

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