Предмет: Математика,
автор: Maryana002
Решите уравнения:
х+712=34
х-16=19
х-35=38
х+524=712
у+27=13
х-16=79
у-38=532
у+25=12
50 баллов :)
Ответы
Автор ответа:
0
1)![1) x+7/12=3/4 \
12x+7=9 \
12x=9-7 \
x=2/12 \
x=1/6 \
2)x-1/6=1/9 \ 18x-3=2 \ 18x=3+2 \ 18x=5 \ x=5/18 \
3)x-3/5=3/8 \ 40x-24=15 \ 40x=24+15 \ 40x=39 \ x=39/40 \
4)x+5/24=7/12 \ 24x+5=14 \ 24x=14-5 \ 24x=9 \ x=9/24 \ x=3/8\
5)y+2/7=1/3 \ 21y+6=7 \ 21y=7-6 \ 21y=1 \ y=1/21 \
6)x-1/6=7/9 \ 18x-3=14 \ 18x=14+3 \ 18x=17 \ x=17/18 \
7)y-3/8=5/32 \ 32y-12=5 \ 32y=5+12 \ 32y=17 \ y=17/32 \
8)y+2/5=1/2 \ 10y+4=5 \ 10y=5-4 \ 10y=1 \ y=1/10 \ y= 0.1](https://tex.z-dn.net/?f=1%29+x%2B7%2F12%3D3%2F4+%5C+%0A12x%2B7%3D9+%5C+%0A12x%3D9-7+%5C+%0Ax%3D2%2F12+%5C+%0Ax%3D1%2F6+%5C%0A2%29x-1%2F6%3D1%2F9+%5C+18x-3%3D2+%5C+18x%3D3%2B2+%5C+18x%3D5+%5C+x%3D5%2F18+%5C+%0A3%29x-3%2F5%3D3%2F8+%5C+40x-24%3D15+%5C+40x%3D24%2B15+%5C+40x%3D39+%5C+x%3D39%2F40+%5C+%0A4%29x%2B5%2F24%3D7%2F12+%5C+24x%2B5%3D14+%5C+24x%3D14-5+%5C+24x%3D9+%5C+x%3D9%2F24+%5C+x%3D3%2F8%5C%0A5%29y%2B2%2F7%3D1%2F3+%5C+21y%2B6%3D7+%5C+21y%3D7-6+%5C+21y%3D1+%5C+y%3D1%2F21+%5C+%0A6%29x-1%2F6%3D7%2F9+%5C+18x-3%3D14+%5C+18x%3D14%2B3+%5C+18x%3D17+%5C+x%3D17%2F18+%5C+%0A7%29y-3%2F8%3D5%2F32+%5C+32y-12%3D5+%5C+32y%3D5%2B12+%5C+32y%3D17+%5C+y%3D17%2F32+%5C+%0A8%29y%2B2%2F5%3D1%2F2+%5C+10y%2B4%3D5+%5C+10y%3D5-4+%5C+10y%3D1+%5C+y%3D1%2F10+%5C+y%3D+0.1 "1) x+7/12=3/4 \
12x+7=9 \
12x=9-7 \
x=2/12 \
x=1/6 \
2)x-1/6=1/9 \ 18x-3=2 \ 18x=3+2 \ 18x=5 \ x=5/18 \
3)x-3/5=3/8 \ 40x-24=15 \ 40x=24+15 \ 40x=39 \ x=39/40 \
4)x+5/24=7/12 \ 24x+5=14 \ 24x=14-5 \ 24x=9 \ x=9/24 \ x=3/8\
5)y+2/7=1/3 \ 21y+6=7 \ 21y=7-6 \ 21y=1 \ y=1/21 \
6)x-1/6=7/9 \ 18x-3=14 \ 18x=14+3 \ 18x=17 \ x=17/18 \
7)y-3/8=5/32 \ 32y-12=5 \ 32y=5+12 \ 32y=17 \ y=17/32 \
8)y+2/5=1/2 \ 10y+4=5 \ 10y=5-4 \ 10y=1 \ y=1/10 \ y= 0.1")
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