Rozwiąż równania Pomocy! Dam naj!!!!!!
a) -x + 7 = 5x + 1
b) 6y + 30 = -2y - 2
c) 4z + 35 = -z + 5
d) 12x - 10 = -6x + 8
e) 2x - 2 = 4x - 2
f) -2z - 12 = -3z - 13
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a) -x + 7 = 5x + 1
-x - 5x = 1- 7
-6x = -6 / (-6)
x= 1
b) 6y + 30 =-2y -2
6y + 2y = -2 - 30
8y = -32 / :8
y = -4
c) 4z + 35 = -z +5
4z + z = 5 + (-35)
5z = -30 / : 5
z= -6
d) 12x -10= -6x +8
12x +6x= 8 + 10
18x= 18 / :18
x= 1
e) sorry nie mogę rozwiązać ;)
f) -2x -12 = -3z -13
-2z +3z= -13+ 12
z= -1