1-Determine o valor da incógnita X.
A)4.x-6=10
B)11.x+7=40
C)12x+4=40
D)-6+13x=20
E)-12+4.x=24
F)-15+7.x-20
G)100+8x=164
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A) 4x-6=10
4x=10+6
4x=16
x=
x=4
B) 11x+7=40
11x=40-7
11x=33
x=
x=3
C)12x+4=40
12x=40-4
12x=36
x=
x=3
D)-6+13x=20
13x=20+6
13x=26
x=
x=2
E)-12+4x=24
4x=24+12
4x=36
x=
x=9
F)-15+7x=20
7x=20+15
7x=35
x=
x=5
G) 100+8x=164
8x=164-100
8x=64
x=
x= 8
4x=10+6
4x=16
x=
x=4
B) 11x+7=40
11x=40-7
11x=33
x=
x=3
C)12x+4=40
12x=40-4
12x=36
x=
x=3
D)-6+13x=20
13x=20+6
13x=26
x=
x=2
E)-12+4x=24
4x=24+12
4x=36
x=
x=9
F)-15+7x=20
7x=20+15
7x=35
x=
x=5
G) 100+8x=164
8x=164-100
8x=64
x=
x= 8
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