0.2*2+0.5x ---------------- =2 0.15*2+0.2x0.2*2+0.5x---------------- =2 0.15*2+0.2x

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0.2*2+0.5x----------------=20.15*2+0.2x0.2*2+0.5x----------------=20.15*2+0.2x0.2*2+0.5x------------

0.2*2+0.5x ---------------- =2 0.15*2+0.2x0.2*2+0.5x---------------- =2 0.15*2+0.2x
0.2*2+0.5x ---------------- =2 0.15*2+0.2x
0.2*2+0.5x
---------------- =2
0.15*2+0.2x

0.2*2+0.5x ---------------- =2 0.15*2+0.2x0.2*2+0.5x---------------- =2 0.15*2+0.2x
0.2*2+0.5x
---------------- =2
0.15*2+0.2x
0.2*2+0.5x=2( 0.15*2+0.2x)
0.4+0.5x=0.6+0.4x
0.1x=0.2
x=2