0.3x+0.5(10-x)=

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0.3x+0.5(10-x)=
x)3363}@{$/,e QF6yv t*U

0.3x+0.5(10-x)=
0.3x+0.5(10-x)=

0.3x+0.5(10-x)=
=0.3x+5-0.5x=5-0.2x