Poohpooh8548
31.07.2021 •
Mathematics
3a + 2 = 20
5(b+1) = 10
3 (2y - 3) - 2y = y-3
2+ (2+4p) =6p
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Ответ:
3a=18
a=6
2. b+1=2
b=2-1
b=1
3. 6y-9-2y=y-3
4y-9=y-3
4y-y=-3+9
3y=6
y=2
4. 2+2+4p=6p
4+4p=6p
4p-6p=-4
-2p=-4
p=2
Ответ:
3a+2=20
3a=20-2
3a=18
a=18/3
a=6
2) b=1
5(b+1)=10
b+1=10/5
b+1=2
b=2-1
b=1
3) y=2
3(2y-3)-2y=y-3
6y-9-2y=y-3
4y-9=y-3
4y=y-3+9
4y=y+6
4y-y=6
3y=6
y=6/3
y=2
4) p=2
2+(2+4p)=6p
2+2+4p=6p
4p+4=6p
4=6p-4p
4=2p
4/2=p
2=p
p=2
Ответ:
2
Step-by-step explanation: