The equation shattered into green light. The turret powered down. His ship surged forward.
But the trench curved. Up ahead, a massive blast door was sliding shut. Three turrets in a row fired simultaneously: math playground x trench run 2
"Too many!" Leo gasped.
Two possibilities: (x + 5 = 8) or (x + 5 = -8). The equation shattered into green light
[ x = 3 \quad \textor \quad x = -13 ]
He slammed the Enter key.