Respuesta:
a) 4b +2b -3 + 1 =10
6b -3 + 1 = 10
6b -3 = 10 -1
6b - 3 = 9
6b = 9 +3
6b =12
b = 12 /6
b = 2
b)5x + 2 - x - 8 = x+ 9
5x - x + 2 - 8 = x + 9
4x + 2 - 8 = x + 9
4x - x + 2 - 8 = 9
3x + 2 - 8 = 9
3x + 2 = 9+ 8
3x + 2 = 17
3x = 17 - 2
3x = 15
x = 15 /3
x = 5
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Respuesta:
a) 4b +2b -3 + 1 =10
6b -3 + 1 = 10
6b -3 = 10 -1
6b - 3 = 9
6b = 9 +3
6b =12
b = 12 /6
b = 2
b)5x + 2 - x - 8 = x+ 9
5x - x + 2 - 8 = x + 9
4x + 2 - 8 = x + 9
4x - x + 2 - 8 = 9
3x + 2 - 8 = 9
3x + 2 = 9+ 8
3x + 2 = 17
3x = 17 - 2
3x = 15
x = 15 /3
x = 5