resolva as equações : a)7.(2x-3)=2(x+1) b)2x+3.(x-5)=4x+9 c)2x+2-6x-15=0 d)3x-26=x-2 e)3x-62=13 f)3x+5=2 g)x-2x+1=105 h)2x-x+1=0
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a) 14×-3= 2×+2 b) 3 (×-5)=-2×+4×+9
12×=5 3×-15=2×+9
×=2,4 ×=24
c)-4×=13 d)2×=24
×=3,25 ×=12
e)3×=49 f)3×=-3
×=16,333... ×=-1
g) ×=104 h) ×=-1
12×=5 3×-15=2×+9
×=2,4 ×=24
c)-4×=13 d)2×=24
×=3,25 ×=12
e)3×=49 f)3×=-3
×=16,333... ×=-1
g) ×=104 h) ×=-1
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