问题
解答题
解方程:
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答案
=x 16
+1,x-2 8
×16=(x 16
+1)×16,x-2 8
x=(x-2)×2+1×16,
x=2x-4+16,
x=2x+12,
x-12=2x+12-12,
x-12-x=2x-x,
x=-12.
解方程:
|
=x 16
+1,x-2 8
×16=(x 16
+1)×16,x-2 8
x=(x-2)×2+1×16,
x=2x-4+16,
x=2x+12,
x-12=2x+12-12,
x-12-x=2x-x,
x=-12.