E) X-7=-7
F) 2X=14
G) 9X=-81
H) 84=6X
I) 35X=-105
L) 6X=2X+16
M) 4X-7=8X-2
N) 2X+1=9X-7
O) 2X-5=X+1
P) 5X+6X-16=3+2X-4
Q) X+2X+3-5X=4X-9
Me ajudem nessa equação, valendo 38 pontos. Mas não pode ser só a resposta, tem que está montada.
Respostas
respondido por:
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e)x=7-7=0
f) 2x=14--->x=14/2--->x=7
g)9x=-81 ----->x=-81/9--->x=-9
h) 6x=84--->x=84/6---->x=14
i)35x=-105--->x=-105/35--->x=-3
l)6x=2x+16--->6x-4x=16-->4x=16--->x=16/4--->x=3
m)4x-8x=7-2-->-4x=5×(-1)-->x=-5/4
n)2x-9x=-7-1--> -7x=-8 ×(-1)-->x=8/7
o)2x-x=5+1-->x=6
p)5x+6x-2x=3+16-4---->9x=15--->x=15/9 ÷3 x=5/3
q) x+2x-5x-4x=-9-3--->6x=-12---> x=-12/6---> x=-2
f) 2x=14--->x=14/2--->x=7
g)9x=-81 ----->x=-81/9--->x=-9
h) 6x=84--->x=84/6---->x=14
i)35x=-105--->x=-105/35--->x=-3
l)6x=2x+16--->6x-4x=16-->4x=16--->x=16/4--->x=3
m)4x-8x=7-2-->-4x=5×(-1)-->x=-5/4
n)2x-9x=-7-1--> -7x=-8 ×(-1)-->x=8/7
o)2x-x=5+1-->x=6
p)5x+6x-2x=3+16-4---->9x=15--->x=15/9 ÷3 x=5/3
q) x+2x-5x-4x=-9-3--->6x=-12---> x=-12/6---> x=-2
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