答案
解:(1)去分母,得6(x-2)-90=3(x+3)-10(2x-5),
去括号、移项,得6x-3x+20x=9+50+12+90,
合并同类项,23x=161,
系数化为1,得x=7;
(2)去分母,得6x-2(x+3)=3(-x+3),
去括号、移项,得6x-2x+3x=9+6,
合并同类项,7x=15,
系数化为1,得x=
.
解:(1)去分母,得6(x-2)-90=3(x+3)-10(2x-5),
去括号、移项,得6x-3x+20x=9+50+12+90,
合并同类项,23x=161,
系数化为1,得x=7;
(2)去分母,得6x-2(x+3)=3(-x+3),
去括号、移项,得6x-2x+3x=9+6,
合并同类项,7x=15,
系数化为1,得x=
.