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-3,07x=4,281-2,132
-3,07x=2,149
x= -0,7
b)6,42x-1,304=-8,366
6,42x=-8,366+1,304
6,42x=-7,062
x=1,1
-3,07x=4,281-2,132
-3,07x=2,149 /:(-3,07)
x=-0,7
Spr.
-3,07*(-0,7)+2,132=4,281
2,149+2,132=4,281
b)6,42x-1,304=-8,366
6,42x=-8,366+1,304
6,42x=-7,062 /:6,42
x=-1,1
Spr.
6,42*(-1,1)-1,304=-8,366
-7,062-1,304=-8,366
-3.07x=4.281-2.132
-3.07x=2.149 | :3.07
x= -0.7
b) 6,42x-1,304=-8,366 | +1.304
6.42x = -8.366 + 1.304
6.42x = -7.062
x=-1.1
Spr.a) -3.07 x -0.7 +2.132=4.281
2.149 + 2.132=4.281
2.132=4.281-2.149
2.132=2.132
b) 6,42 x -1.1-1,304=-8,366
- 7.062-1.304=-8.366
-8.366=-8.366