RESOLVA AS EQUASOES:
a)x + 1=2 b)2x-4 =4 c)5 + x = 23 d)3 x + 4 + 1=50 e)6+4x+2x=42 f)5x +4+3x =18
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a) x + 1 =2
x = 2 - 1
x = 1
b)2x - 4 = 4
2x = 4 + 4
2x =8
x = 8/2 =4
c)5 + x = 23
x = 23 - 5
x = 18
d)3x=50 -4 - 1
3x = 45
x = 45 / 3 = 15
e)4x + 2x =42 - 6
6x = 36
x = 36/6 = 6
f)5x + 3x =18 - 4
8x = 14
x= 14/8 = 7/4
x = 2 - 1
x = 1
b)2x - 4 = 4
2x = 4 + 4
2x =8
x = 8/2 =4
c)5 + x = 23
x = 23 - 5
x = 18
d)3x=50 -4 - 1
3x = 45
x = 45 / 3 = 15
e)4x + 2x =42 - 6
6x = 36
x = 36/6 = 6
f)5x + 3x =18 - 4
8x = 14
x= 14/8 = 7/4
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