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Please provide working outs as well as the answer. Many Thanks

Please provide working outs as well as the answer. Many Thanks-example-1
User Daj
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1 Answer

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6(2x+1)-4(x-2)=100\\ 12x+6-4x+8=100\\ 8x=86\\ x=(43)/(4)\\\\ P_{\text{white rectangle}}=2\cdot4+2\cdot(43)/(4)=8+(43)/(2)=(16)/(2)+(43)/(2)=(59)/(2)
User Alex Reynolds
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