3.8X+15=8.3X-12 emergency
3.8X+15=8.3X-12
Transfer, 15 + 12 = 8.3x-3.8x
27=4.5x
x=27/4.5=6
The solution of 15.8x + 12.8 = 3x
Primary school, it's a process
15.8X+12.8=3X
3X-15.8X=12.8
-12.8X=12.8
X=-1
We can solve this problem according to the relationship between and equal to plus plus plus
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