8 ∗ ( 40 + 7 ) = ( 8 ∗ x ) + ( 8 ∗ 7 ) 8 ( 47 ) = 8 x + 56 376 = 8 x + 56 320 = 8 x 40 = x
The value that '?' stands for is 40. This was determined by simplifying the equation and solving for '?'. The steps involved factoring and basic arithmetic to isolate the variable.
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Jawab:Penjelasan dengan langkah-langkah:Jawaban: 210km/jam. Penjelasan dengan langkah-langkah: 1 jam = 60 menit. jdi : 3,5 km/jam x 60 = 210 km/jam.