rozwiąż równania:
a) 2(8 - x) - 3 (9 - x) =0
b) 3(x - 2) - 5x = 10
c) (4x - 5) - 2(x +3) = -5
16-2x-27+3x=0
-2x+3x=-16+27
x=11
3x-6-5x=10
-2x=10+6
-2x=16
x=-8
4x-5-2x-6=-5
4x-2x=5+6-5
2x=6
x=3
a)
-2x+3x=27-16
b)
-2x=16 /:(-2)
c)
2x=-5+6+5
2x=6 /:2
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rozwiąż równania:
a) 2(8 - x) - 3 (9 - x) =0
16-2x-27+3x=0
-2x+3x=-16+27
x=11
b) 3(x - 2) - 5x = 10
3x-6-5x=10
-2x=10+6
-2x=16
x=-8
c) (4x - 5) - 2(x +3) = -5
4x-5-2x-6=-5
4x-2x=5+6-5
2x=6
x=3
a)
16-2x-27+3x=0
-2x+3x=27-16
x=11
b)
3x-6-5x=10
-2x=10+6
-2x=16 /:(-2)
x=-8
c)
4x-5-2x-6=-5
2x=-5+6+5
2x=6 /:2
x=3