Respuesta:
Explicación paso a paso:
A. 5(2x + 4) - 4x = -4 + 3(x + 4)
10x + 20 - 4x = -4 + 3x +12
6x - 3x = 8 - 20
3x = - 16
x = -4
B. 8 (2x - 3) - 7= 17
16x - 24 - 7 = 17
16x - 31 = 17
16x = 48
x = 3
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Respuesta:
Explicación paso a paso:
A. 5(2x + 4) - 4x = -4 + 3(x + 4)
10x + 20 - 4x = -4 + 3x +12
6x - 3x = 8 - 20
3x = - 16
x = -4
B. 8 (2x - 3) - 7= 17
16x - 24 - 7 = 17
16x - 31 = 17
16x = 48
x = 3