Resolva as equações
A) 3x-6=12-4x
B)9x-3=6x+4
C)7x-14=5x+15
D)5x-3x-6=15
E)2x+3x+9=48-8x
F)4x+40-2x+10=0
G)5x+9-4x+4=3
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a) 3x-6=12-4x
3x+4x=12+6
7x=18
x=18/7
b) 9x-3=6x+4
9x-6x=4+3
3x=7
x=7/3
c) 7x-14=5x+15
7x-5x=15+14
2x=19
x=19/2
d) 5x-3x-6=15
2x=15+6
2x=21
x=21/2
e) 2x+3x+9=48-8x
5x+8x=48-9
13x=39
x=39/13
x=3
f) 4x+40-2x+10=0
2x+50=0
2x=-50
x=-50/2
x=-25
g) 5x+9-4x+4=3
x=3-9-4
x=-10
3x+4x=12+6
7x=18
x=18/7
b) 9x-3=6x+4
9x-6x=4+3
3x=7
x=7/3
c) 7x-14=5x+15
7x-5x=15+14
2x=19
x=19/2
d) 5x-3x-6=15
2x=15+6
2x=21
x=21/2
e) 2x+3x+9=48-8x
5x+8x=48-9
13x=39
x=39/13
x=3
f) 4x+40-2x+10=0
2x+50=0
2x=-50
x=-50/2
x=-25
g) 5x+9-4x+4=3
x=3-9-4
x=-10
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