Question

−(12x+2,2y)−(−5,6x−19y) = x + y

Answer 1

Ответ:

1) $-(12x+2,2y)-(-5,6x-19y)=x+y$

$-12x-2,2y+5,6x+19y=x+y$

$-6,4x+16,8y=x+y$

$-6,4x-x=y-16,8y$

$-7,4x=-15,8y$

$x=15,8y*\frac{5}{37}$

$x=\frac{79}{5} y*\frac{5}{37}$

$x=79y*\frac{1}{37}$

x = $\frac{79}{37} y$