zosia - x
adaś -2*x
janek - 36*x
razem - 156
x + 2*x +36*x =156
x+x+x=36+2-156
3x=118
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zosia - x
adaś -2*x
janek - 36*x
razem - 156
x + 2*x +36*x =156
x+x+x=36+2-156
3x=118