4,8-х=5,63,7-х=-2,3х-3,9=-2,7

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вопрос

Let's solve each equation one by one:

1) 4.8 - x = 5.6
Subtracting 4.8 from both sides:
-x = 0.8
Multiplying by -1 to find x:
x = -0.8

2) 7 - x = -2.3
Adding x to both sides:
7 = x - 2.3
Adding 2.3 to both sides:
x = 9.3

3) 3x - 3.9 = -2.7
Adding 3.9 to both sides:
3x = 1.2
Dividing by 3 to find x:
x = 0.4

Therefore, the solutions of the equations are:
x = -0.8, 9.3, 0.4