1. (30-x)·x-(30-x+10)(x-6)=32 2. 3(25-x)-2(25+x)=5 3. 2x= \frac{7}{4} (x+10). Created by sssooonnnyyyaaa. algebra-ru

1. (30-x)·x-(30-x+10)(x-6)=32 2. 3(25-x)-2(25+x)=5 3. 2x= \frac{7}{4} (x+10)...

August 2022 1 11 Report

1. (30-x)·x-(30-x+10)(x-6)=32
2. 3(25-x)-2(25+x)=5
3. 2x= \frac{7}{4} (x+10)

Answers & Comments

Sergiolol 1. $30x- x^{2} -30x+ x^{2} -10+180-6x+60-32=0=-6x+198$
$6x=198$
$x=198/6=33$
2. $75-3x-50-2x-5=-5x+20=0$
$5x=20
$
$x=4$
3. $2x= \frac{7}{4} x+ \frac{70}{4}$
$\frac{1}{4} x= \frac{70}{4}$
$x=70$

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sssooonnnyyyaaa August 2022 | 0 Ответы

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sssooonnnyyyaaa August 2022 | 0 Ответы

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