Question

×-1supra 2-3=7supra2

Answer 1

Ai rezolvarea mai jos, baftă !

$\frac{x-1}{2-3} =\frac{7}{2} => 2(x-1) = 7(2-3) => 2x-2 = 14-21 => \\ => 2x = 16 - 21 => 2x = -5 => x = \frac{-5}{2} => x = -2.5$