Respuesta:
a) 2.3y + 2.1 = 6y+2
b) 7.-2y + 7.8 = -14y+56
c) 2.12x - 2.18 = 24x-36
d) 5.-2y -5.4 = -10y-20
e) -2/7(14x-21) = -2/7 . 7(2x-3)
= -2(2x-3)
= -4x + 6
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Verified answer
Respuesta:
a) 2.3y + 2.1 = 6y+2
b) 7.-2y + 7.8 = -14y+56
c) 2.12x - 2.18 = 24x-36
d) 5.-2y -5.4 = -10y-20
e) -2/7(14x-21) = -2/7 . 7(2x-3)
= -2(2x-3)
= -4x + 6