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DaryaDocenko
@DaryaDocenko
August 2022
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-2,8(3х + 7) - 4,2 = 1,4
Решите пожалуйста СРОЧНО
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FidanQ
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-2,8(3х+7)-4,2=1,4
-8,4х+(-19,6)-4,2=1,4
-8,4х=1,4+19,6+4,2
-8,4х=25,2
х=25,2:(-8.4)
х= -3
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Answers & Comments
Verified answer
-2,8(3х+7)-4,2=1,4-8,4х+(-19,6)-4,2=1,4
-8,4х=1,4+19,6+4,2
-8,4х=25,2
х=25,2:(-8.4)
х= -3