Question

(6x-7)-(10x+11)=15x-35

Answer 1

$6x - 7 - 10x - 11 = 15x - 35 \\ - 4x - 15x = - 35 + 7 + 11 \\ - 19x = - 17 \\ x = \frac{17}{19}$

Answer 2

(6x-7)-(10x+11)=15x-35
6x-7-10x-11=15x-35
-4x-18=15x-35
15x+4x=-18+35
19x=17
x=17/19