Question

13×-7-5×=10×-27-7× es una ecuacion lineal​

Answer 1

$13x - 5x - 10x + 7x = - 27 + 7 \\ 21x = 20 \\ x = \frac{21}{20}$

Answer 2

13x-7-5x=10x-27-7
13x-5x-10x=7-27-7
-2x=-27
X=27/2
X=13,5