Помогите пжл 8х+3=75 ...... 13•(23+х÷3)=364

Question

Помогите пжл 8х+3=75 ...... 13•(23+х÷3)=364

Answer 1

8х+3=75 13×(23+х÷3)=364
8х=75-3 23+х÷3=364÷13
8х=72 23+х÷3=28
х=72:8 х÷3=28+23
х=9 х÷3=51
_______ х=51÷3
8×9+3=75 х=17
______________
13×(23+17÷3)=364

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