If x = 3, what does y equal? x = 3 y = ? 7 + 5x = y + 7

Mathematics

1 answer:

SVETLANKA909090 [29]3 years ago

8 0

Answer:

$7 + 5x = y + 7 \\ 7 + 5 \times 3 = y + 7 \\ 7 + 15 = y + 7 \\ 22 = y + 7 \\ - y = 7 - 22 \\ - y = - 15 \\ y = 15$

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