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Арсений123211
@Арсений123211
August 2022
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Помогите решить уровнения.
4*(8+6*х)-5*х=127
2*(4*у+16)-3*у=167
15*х+5*(7-2*х)=1265
34*у+7*(43-2:у)=1891
41*у+12во 2 степени -7 во 2 степени+4*у=6*5 во 2 степени +5*4 во 2 степени
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Answers & Comments
Semoyn1999
1) 4*(8+6x)-5x=127
32+24x-5x=127
24x-5x=127-32
19x=95
x=95/19=5
2) 2*(4y+16)-3y=167
8y+32-3y=167
8y-3y=167-32
5y=135
y=135/5=27
3) 15x+5*(7-2x)=1265
15x+35-10x=1265
15x-10x=1265-35
5x=1230
x=1230/5
x=246
5) 41y+(12^2)-(7^2)+4y = 6*(5^2)+5*(4^2)
41y+4y = 6*(5^2)+5*(4^2)-(12^2)+(7^2)
45y = 6*25+5*16-144+49 = 150+80-144+49 = 135
y=135/45=3
2 votes
Thanks 1
Semoyn1999
4) 34y+7(43-2y)=1891
34y+301-14y=1891
34y-14y=1891-301
20y=1590
y=1590/20
y=79,5
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Answers & Comments
32+24x-5x=127
24x-5x=127-32
19x=95
x=95/19=5
2) 2*(4y+16)-3y=167
8y+32-3y=167
8y-3y=167-32
5y=135
y=135/5=27
3) 15x+5*(7-2x)=1265
15x+35-10x=1265
15x-10x=1265-35
5x=1230
x=1230/5
x=246
5) 41y+(12^2)-(7^2)+4y = 6*(5^2)+5*(4^2)
41y+4y = 6*(5^2)+5*(4^2)-(12^2)+(7^2)
45y = 6*25+5*16-144+49 = 150+80-144+49 = 135
y=135/45=3
34y+301-14y=1891
34y-14y=1891-301
20y=1590
y=1590/20
y=79,5