1.5x+3*(x+0.83)=4.5x+2.49

Question

1.5x+3*(x+0.83)=4.5x+2.49

Answer 1

1,5x+3(x+0,83)=4,5x+2,49
1,5x+3x+2,49=4,5x+2,49
1,5x+3x-4,5x=2,49-2,49
0=0,значит х-любое
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