Question

РАБОТА В ПАРЕ Реши уравнения. 24 30 - (х - ) = 72 80 - 12. 80 x – ) = 15 80 126-42 + x) = 123 3 16 73 27 X+ 50 50 50 +y+ до 31 6 + 40 40 + 40​

Answer 1

$\frac{72}{80}- (x-\frac{12}{80})= \frac{15}{80}\\\\ \frac{72}{80}- (x-\frac{3}{20})= \frac{3}{16} \\\\\frac{72}{80}-x+ \frac{3}{20}= \frac{3}{16}\\\\\frac{21}{20}-x= \frac{3}{16}\\\\-x= \frac{3}{16}- \frac{21}{20}\\\\-x=-\frac{69}{80}\\\\x=\frac{69}{80}$

или $x=0,8625$

______________________

$x+\frac{7}{50}= \frac{3}{50} +\frac{27}{50}\\\\x+ \frac{7}{50} =\frac{3}{5}\\\\x= \frac{3}{5}- \frac{7}{50} \\\\x=\frac{23}{50}$

или $x=0,46$

______________________

$\frac{116}{125}- (\frac{41}{125}+x)= \frac{24}{125} \\\\\frac{116}{125}- \frac{41}{125}-x= \frac{24}{125} \\\\\frac{3}{5} -x=\frac{24}{125} \\\\-x=\frac{24}{125} -\frac{3}{5} \\\\-x=-\frac{51}{125} \\\\x=\frac{51}{125}$

или $x=0,408$

______________________

$\frac{4}{40}+y+ \frac{16}{40}= \frac{31}{40}+ \frac{6}{40} \\\\\frac{1}{2}+y= \frac{37}{40} \\\\y=\frac{37}{40}- \frac{1}{2} \\\\y=\frac{17}{40}$

или $y=0,425$