Ответ:
x = -2
Объяснение:
0.4+3.8 = 2.6-0.8x
0.8x = 2.6-0.4-3.8
0.8x = -1.6
0.4 + 3.8 -2.6 = -0.8х
4.2 - 2.6 = -0.8х
1.6 =-0.8х
х = 1.6 : (-0.8)
х = - 2
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Ответ:
x = -2
Объяснение:
0.4+3.8 = 2.6-0.8x
0.8x = 2.6-0.4-3.8
0.8x = -1.6
x = -2
-1,3x-0.6x = -2.7-6.8
-1.9x = -9.5
x = 5
Ответ:
0.4 + 3.8 -2.6 = -0.8х
4.2 - 2.6 = -0.8х
1.6 =-0.8х
х = 1.6 : (-0.8)
х = - 2