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Mathematics, 05.11.2019 04:31 Esme1995
select all the equations that could replace one of the equations in the following system without changing its solution.
−8x −6y = 10
x + 7y = 9
select one or more:
a. -2x + 7y = 9
b. 4x + 3y = -5
c. 24x + 18y = 10
d. -16x - 12y = 20
e. 3x + 21y = 27
f. x - 14y = -18
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