Question

Помогите решить. а) 3х+5х=1216;б) 7у-2у=8315;в)17х+5х-42=200;г)18у-13у+71701.
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Answer 1

Ответ:

а)

$3x + 5x = 1216$

$8x = 1216$

$x = 152$

б)

$7y - 2y = 8315$

$5y = 8315$

$x = 1663$

в)

$17x + 5x - 42 = 200$

$22x = 242$

$x = 11$

г)

$18y - 13y + 71701 = 0$

$5y = - 71701$

$y = - \frac{71701}{5}$

$y = 14340.2$