help me 17-2(x+15)-(2x+1) (x-3)+(13-x) 4x-3(x-1)-2 30+2(3x+3)+6(1-2x)
Mathématiques
20153
Question
help me
17-2(x+15)-(2x+1)
(x-3)+(13-x)
4x-3(x-1)-2
30+2(3x+3)+6(1-2x)
17-2(x+15)-(2x+1)
(x-3)+(13-x)
4x-3(x-1)-2
30+2(3x+3)+6(1-2x)
2 Réponse
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1. Réponse winner123
bonsoir
17 - 2 x - 30 - 2 x - 1 = - 4 x -14
x - 3 + 13 - x = 10
4 x - 3 x + 3 - 2 = x + 1
30 + 6 x + 6 + 6 - 12 x = - 6 x + 42 -
2. Réponse melkior60
Bonsoir
17-2x-30-2x-1=-14-4x
x-3+13-x=10
4x-3x+3-2=x+1
30+6x+6+6-12x=42-6x
cqfd