0,4(х-3)+2,5=0,5(4+х)
0.4x-1.2+2.5=2+0.5x
0.4x-0.5x=2-1.3
-0.1x=0.7
x=0.7/(-0.1)
x=-7
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0,4(х-3)+2,5=0,5(4+х)
0.4x-1.2+2.5=2+0.5x
0.4x-0.5x=2-1.3
-0.1x=0.7
x=0.7/(-0.1)
x=-7