qwikmix1057 qwikmix1057

17-11-2019
Mathematics

contestada

Which choice is the most efficient first step to solve this set of equations?

y = 2x + 4
3x + 4y = 17

Respuesta :

joy123333 joy123333

17-11-2019

Answer:

Substitution is the most efficient.

Step-by-step explanation:

Because the equation y = 2x + 4 already equates to y, one can easily substitute its expression 2x+4 into 3x + 4(y) = 17 where y is.

3x + 4(y) = 17

3x + 4(2x + 4 ) = 17

Answer Link

kaylee3287 kaylee3287

08-01-2021

Answer:

3x+4(2x+4)=17

Substitute (2x+4) for y in the second equation

Step-by-step explanation:

Answer Link

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