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Solve y=3x – 7 for x when y= –2.
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16 votes
Solve y=3x – 7 for x when y= –2.

User Nfvindaloo
by
3.3k points

1 Answer

6 votes

Answer:

x = -5/3

Explanation:

y = -2

So, -2 = 3x - 7

Collect like terms ( C.L.T )

+7-2 = 3x

5 = 3x

Divide both sides by 3

5/3 = 3x/3

5/3 = x

x = 5/3

User Tim Penner
by
3.8k points
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