Ответ:
х = 4.5
Объяснение:
0.9 * (х+5.5)=2.6х-2.7
0.9х + 4.95 = 2.6х - 2.7
0.9х - 2.6х = -2.7 - 4.95
-1.7x=-7.65
х = -7.65 ÷ (-1.7)
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Ответ:
х = 4.5
Объяснение:
0.9 * (х+5.5)=2.6х-2.7
0.9х + 4.95 = 2.6х - 2.7
0.9х - 2.6х = -2.7 - 4.95
-1.7x=-7.65
х = -7.65 ÷ (-1.7)
х = 4.5