(7y-4)+3(y-2)=2+6
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(7y-4)+3(y-2)=2+6
![(7y-4)+3(y-2)=2+6](/uploads/image/z/7317152-8-2.jpg?t=%EF%BC%887y-4%29%2B3%28y-2%29%3D2%2B6)
(7y-4)+3(y-2)=2+6
去括号:7y-4+3y-6=2+6
移向.7y+3y=2+6+6+4
合并同类项:10y=18
两边同时除以10:y=1.8
去括号:7y-4+3y-6=2+6
移向.7y+3y=2+6+6+4
合并同类项:10y=18
两边同时除以10:y=1.8
1.5y+8y-6y=2y-3
(2y-3)(-y+4)=(y-2)(y-5)-3y(y-7/3)解方程
啊啊啊啊!做题代数式9-6y-4y*y=7,则2y*y+3y+7的值是( )
先化简,在求值:6y-(y+2分之y + 2-y分之y)除以y³-4y-2y²+8分之y,其中y=
(7y-4)+3(y-2)=2+6
解3y+5/3y-6=1/2+5y-4/2y-4
10y+2(7y-2)=5(4y+3)+3y怎么算
{3(x+y)-4(x-y)=4 {x+y/2 + x-y/6=1
x+y/2+x-y/3=6,4(x+y)-3(x-y)=-20
{(x+y)/2+(x-y)/3=6 4(x+y)-3(x-y)=-20
4(x+y)-3(x-y)=-20,2/x+y+3/x-y=6
4x-2y-6y*-y-3x+5y* *=2 就是平方