(1)x+4.9= 49
x= 49-4.9
x= 44.1 (2)x-35.8= 4.5+7.6
x=12.1+35.8
x= 47.9
(3)0.9x-9.2=8.8
0.9x=18
x=20 (4)25x÷0.2=10
25x=2
x=0.08
(1)x+4.9= 49
x= 49-4.9
x= 44.1 (2)x-35.8= 4.5+7.6
x=12.1+35.8
x= 47.9
(3)0.9x-9.2=8.8
0.9x=18
x=20 (4)25x÷0.2=10
25x=2
x=0.08