Решите уравнения:
1) 2х+7=5х+13;
2) 3х-23=19-4х;
3) 1,3х+4,8=2,9х-7,2;
4) 2*(х-3)-4*(х+1)=5х+38;
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Решите уравнения:
1) 2х+7=5х+13;
2) 3х-23=19-4х;
3) 1,3х+4,8=2,9х-7,2;
4) 2*(х-3)-4*(х+1)=5х+38;
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