Oblicz:
1). (-3x+12)=5
2). (2x-4)=3
jak można to napiszcie w sposób rozpisany xD
1. -3x+12=5
-3x=5-12
-3x=-7/(-3)
x=7/3
x=2i 1/3
2. 2x-4=3
2x=3+4
2x=7/2
x=-7/2
x=3 i 1/2
1) (-3x+12)=5 -3x=5-12|-3 x=2 1/3
2) (2x-4)=3 2x=3+4 |2 x=3 1/2
Jak cos to | -to znaczy podzielic :)
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1. -3x+12=5
-3x=5-12
-3x=-7/(-3)
x=7/3
x=2i 1/3
2. 2x-4=3
2x=3+4
2x=7/2
x=-7/2
x=3 i 1/2
1) (-3x+12)=5 -3x=5-12|-3 x=2 1/3
2) (2x-4)=3 2x=3+4 |2 x=3 1/2
Jak cos to | -to znaczy podzielic :)