已知| a+ 3|+| -b+5 |+|c -2 |=0,计算| 2a |+b+c的值

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已知| a+ 3|+| -b+5 |+|c -2 |=0,计算| 2a |+b+c的值
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已知| a+ 3|+| -b+5 |+|c -2 |=0,计算| 2a |+b+c的值
已知| a+ 3|+| -b+5 |+|c -2 |=0,计算| 2a |+b+c的值

已知| a+ 3|+| -b+5 |+|c -2 |=0,计算| 2a |+b+c的值
| a+ 3|+| -b+5 |+|c -2 |=0
所以
a+3=0
-b+5=0
c-2=0
所以a=-3
b=5
c=2
所以| 2a |+b+c=6+5+2=13

| a+ 3|+| -b+5 |+|c -2 |=0
所以:a=-3,b=5,c=2
| 2a |+b+c
=6+5+2
=13