решите уравнение (80 + 16*(4х + 154)): 48= 55. Created by karlyavina01. algebra-ru

решите уравнение (80 + 16*(4х + 154)): 48= 55...

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решите уравнение (80 + 16*(4х + 154)): 48= 55

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(80 + 16(4х + 154)) = 55 * 48
(80 + 16(4х + 154)) = 2640
16(4х + 154) = 2640 - 80
16(4х + 154) = 2560
4х + 154 = 2560 : 16
4х + 154 = 160
4х = 160 - 154
4х = 6
x = 1 1/2
x = 1,5

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dENisLUKAs

Verified answer

(80+16*(4х+154)):48=55
80+16(4х+154)=55*48
80+16(4х+154)=2640
16(4х+154)=2640-80
16(4х+154)=2560
4х+154=2560:16
4х+154=160
4х=160-154
4х=6
х=6:4
х=1,5(или х = $1\frac{1}{2}$ )
Ответ: х = 1,5

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