РЕШИТЕ УРАВНЕНИЕ.
1. ( 5х - 3) + ( 7х - 4) = 8 - ( 15 - 11х)
2. ( 4х + 3) - ( 10х + 11) =7+ ( 13 - 4х)
3. ( 7 - 5х) - ( 8 - 4х) + ( 5х + 6)= 8
РЕШИТЕ СО ВСКРЫТИЕМ СКОБОК
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