Question

resolva as seguintes equações
b) 4x+7=2x-9
c) 6x=2x+16
d) 4x-10=2x+2
e) 2x+1=4x-7
f) 3x-2=4x+9
g) 4 (x+1)=12
h) 6(3x+2)-8=-2
i) -3(x-5) -2(2x+1)=8
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Answer 1

b)4x-2x=-9-7

2x= -16

x=-8

c)6x-2x=16

4x=16

x=4

d)4x-2x=2+10

2x=12

x=6

e)2x-4x=-7-1

-2x=-8

x=4

f)3x-4x=9+2

-x=11(-1)

x=-11

g)4x+4=12

4x=12-4

4x=8

x=2

h)18x+12-8=-2

18x=-2-12+8

18x=-14+8

18x=-6

x=-1/3(forma simplificada)

i)-3x+15 -4x-4=8

-7x=8-15+4

-7x=-3

x=3/7