问题
解答题
8x-3.7+5.2=6.3. |
答案
(1)
-2x=13 3
,1 3
-2x+2x=13 3
+2x,1 3
+2x-1 3
=1 3
-13 3
,1 3
2x÷2=4÷2,
x=2;
(2)8x-3.7+5.2=6.3,
8x+1.5=6.3,
8x+1.5-1.5=6.3-1.5,
8x÷8=4.8÷8,
x=0.6.
8x-3.7+5.2=6.3. |
(1)
-2x=13 3
,1 3
-2x+2x=13 3
+2x,1 3
+2x-1 3
=1 3
-13 3
,1 3
2x÷2=4÷2,
x=2;
(2)8x-3.7+5.2=6.3,
8x+1.5=6.3,
8x+1.5-1.5=6.3-1.5,
8x÷8=4.8÷8,
x=0.6.