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sergeinik [125]
3 years ago
10

Solve 9x-y = 45 for y

Mathematics
2 answers:
Ne4ueva [31]3 years ago
7 0

Answer:

<h2>y = 9x - 45</h2>

Step-by-step explanation:

9x - y = 45           <em>subtract 9x from both sides</em>

9x - 9x - y = -9x + 45

-y = -9x + 45        <em>change the signs</em>

y = 9x - 45

zimovet [89]3 years ago
3 0

9x-y = 45

Move 9x to the other side. Sign changes from +9x to -9x.

9x-9x-y=45-9x

-y=45-9x

Multiply both sides by -1

(-1)(-y)=y

(-1)(45)=-45

(-1)(-9x)

y=-45+9x or y=9x-45

Answer: y=-45+9x or y=9x-45

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