Question

2y-(7-5y)-21=0
please tell the answer ASAP tommorow is my online exam ​

Answer 1

Answer:

4

Step-by-step explanation:

$2y - (7 - 5y) - 21 = 0 \\ 2y - 7 + 5y - 21 = 0 \\ 7y - 28 = 0 \\ 7y = 28 \\ y = \frac{28}{7} \\ y = 4$

Hence y is 4.

Answer 2

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