Question

Answer it boys and girls....
who has the brain to answer it fast

2/5a-b=7/5
a-2/3b=8/3​

Solve A and B

Answer 1

Step-by-step explanation:

$\frac{2}{5a - b} = \frac{7}{5} \\ \\ \frac{2}{5a - b} - \frac{7}{5} = 0 \\ \\ take \: cross \: multiply \\ \\ \frac{(5)(2)}{(5a - b)(5)} - \frac{(5a - b)(7)}{(5a - b)(5)} \\ \\ \frac{10 - (35a - 7b)}{25a -5 b} \\ \\ \frac{10 - 35a + 7b}{25a - 5b}$