Proszę o pomoc !
1) -(4+x)=2(3-x)
2) 3(y+6)-y=2(y+9)
3) (x-7)-2(3x+5)=3
Proszę o obliczenia ! Daje NAJ
a) -4-x = 6 - 2x
x = 10
b) 3y + 18 - y = 2y + 18
0 = 0
c) x-7 - 6x - 10 = 3
-5x = 20
x = -4
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a) -4-x = 6 - 2x
x = 10
b) 3y + 18 - y = 2y + 18
0 = 0
c) x-7 - 6x - 10 = 3
-5x = 20
x = -4