Explicație pas cu pas:
a)0,5x=-3,2x
x=-6,4
b)7,4-1,4=1,5x
6=1,5x
x=6/1,5
x=4
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Explicație pas cu pas:
a)0,5x=-3,2x
x=-6,4
b)7,4-1,4=1,5x
6=1,5x
x=6/1,5
x=4