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LarissaMia
@LarissaMia
December 2019
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Equação do primeiro grau
3x-15 = 2x - 7
2(3x+2) = 5X+11x-13
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Comentários (2)
3x-15 = 2x - 7
3x-2x=-7+15
1x=8
x=8
2(3x+2) = 5X+11x-13
6x+4=5x+11x-13
6x-16x=-13-4
-10x=-17 (-1) multiplica pois o x nao pode ficar negativo
x=17/10
x=1,7
2 votes
Thanks 1
LarissaMia
Muito obrigadaaa
larissaanny211ow6wgx
6x+4=5x+11x-13
-12x=-9(-1)
12x=9
x=1,3
3x-15=2x-7
x=8
1 votes
Thanks 1
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3x-2x=-7+15
1x=8
x=8
2(3x+2) = 5X+11x-13
6x+4=5x+11x-13
6x-16x=-13-4
-10x=-17 (-1) multiplica pois o x nao pode ficar negativo
x=17/10
x=1,7
-12x=-9(-1)
12x=9
x=1,3
3x-15=2x-7
x=8