Question: help with insert equation to maple

a) How can i use laplacetransform to solve with maple?

i1 = i2 + i
2i1 + i2 + 2i1 = 30 + 20cos5 + 114sin5  
1/50 i3 + 4i3 - 2 i2 = 0  

i1(0) = 0

i2(0)=0

i3(0)=0

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