x=-12 ó x=-121.85
Explicación paso a paso:
x-30+40-6=-8
×=-8+30-40+6
×=-48+36
×=-12
-12-30+40-6=-8
-48+40=-8
-8=-8
1-1719-14x-30+40-6=-8
-14x=-8-1+1719+30-40+6
-14×=-49+1755
-14×=1706
-14×/-14=1706/-14
×=-121.85
1-1719-14(-121.85)-30+40-6=-8
1+40+1706-1719-30-6=-8
1747-1755=-8
-8=-8
