3(3+y)-8y=14 y=-1
问题描述:
3(3+y)-8y=14 y=-1
答
3(3+y)-8y=14
9+3y-8y=14
-5y=5
y=-1
3(3+y)-8y=14 y=-1
3(3+y)-8y=14
9+3y-8y=14
-5y=5
y=-1