Odpowiedź:
a) 3-3x = 4 - 4x
-3x + 4x = 4-3
x = 1
b) -5 + 2 - 2x = -x - 2x - 2
- 2x +x + 2x = -2 + 5 - 2
c) 12 x - 6 - 2x + 6 = 10
12x - 2x = 10 + 6 - 6
10 x = 10 /:10
Szczegółowe wyjaśnienie:
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3-3x = 4-4x
-3x+4x = 4-3
x = 1
b) -5+2(1-x) = -x-2(x+1)
-5+2-2x = -x-2x-2
-3-2x = -3x-2
-2x+3x = -2+3
x = 1
c) 3(4x-2)-2(x-3) = 10
12x-6-2x+6 = 10
10x = 10
x = 1
Odpowiedź:
a) 3-3x = 4 - 4x
-3x + 4x = 4-3
x = 1
b) -5 + 2 - 2x = -x - 2x - 2
- 2x +x + 2x = -2 + 5 - 2
x = 1
c) 12 x - 6 - 2x + 6 = 10
12x - 2x = 10 + 6 - 6
10 x = 10 /:10
x = 1
Szczegółowe wyjaśnienie: