Respuesta :
Answer:
u=91
Step-by-step explanation:
-2=u-93÷-3
multiply both sides by 3
3(-2)=(u)3+(-93÷-3)3
-6=3u-279
add 279 to both sides
-6=3u-279
+279. +279
273=3u
divide by 3
273÷3=3u÷3
91=u
Answer:
u=91
Step-by-step explanation:
-2=u-93÷-3
multiply both sides by 3
3(-2)=(u)3+(-93÷-3)3
-6=3u-279
add 279 to both sides
-6=3u-279
+279. +279
273=3u
divide by 3
273÷3=3u÷3
91=u