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Paladinen [302]
3 years ago
9

Stop giving me links and HELP ME. I will mark BRAINLIEST

Mathematics
1 answer:
Vadim26 [7]3 years ago
3 0

Answer:

y = 3

Step-by-step explanation:

substitute the x in 2x - y = 7 by x = 3y - 4 and then solve

2(3y - 4) - y = 7

<em>Distribute the 2 into the parenthesis</em>

6y - 8 -y = 7

<em>combine like terms</em>

5y - 8 = 7

<em>add 8 on both sides</em>

5y = 15

<em>divide by 5 on both sides to isolate the y-value</em>

y = 3

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