优质解答
(1)2x+8=16 x=4 (2)x/5=10 x=50 (3)x+7x=8 x=1 (4)9x-3x=6 x=1 (5)6x-8=4 x=2(6)5x+x=9 x=2/3 (7)7x-8=6x x=8 (8)4/5 x=20 x=25 (9)2x-6=12 x=9 (10)7x+7=14 x=1(11)6x-6=0 x=1 (12)5x+6=11 x=1 (13)2x-8=10 x=1 (14)1/2x-8=4 x=24 (15)x-6=7 x=13(16)3x+7=28 x=7 (17)3x-7=26 x=11 (18)9x-x=16 x=2 (19)24x+x=50 x=2 (20)6/7x-8=4 x=14
(1)2x+8=16 x=4 (2)x/5=10 x=50 (3)x+7x=8 x=1 (4)9x-3x=6 x=1 (5)6x-8=4 x=2(6)5x+x=9 x=2/3 (7)7x-8=6x x=8 (8)4/5 x=20 x=25 (9)2x-6=12 x=9 (10)7x+7=14 x=1(11)6x-6=0 x=1 (12)5x+6=11 x=1 (13)2x-8=10 x=1 (14)1/2x-8=4 x=24 (15)x-6=7 x=13(16)3x+7=28 x=7 (17)3x-7=26 x=11 (18)9x-x=16 x=2 (19)24x+x=50 x=2 (20)6/7x-8=4 x=14