(x +36) • 7 = 4,2x ------------------------------------ 35 БАЛЛОВ

Question

(x +36) • 7 = 4,2x
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35 БАЛЛОВ

Answer 1

7х+252=4,2х
2,8х=-252
х=-90

Answer 2

7x+252=4,2x 7x-4,2x=-252 2,8x=-252 x=252/2,8=-90