Evaluate Dx.
-4x + 7y = 1
25 = 2x + 5y

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bobly123 bobly123

22-06-2017
Mathematics

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Evaluate Dx.
-4x + 7y = 1
25 = 2x + 5y

Respuesta :

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LAGRHA15 LAGRHA15 · Answer 1 · 2017-06-22T01:17:51+02:00

#1: -4x + 7y = 1
+ 4x + 4x
----------------------------
7y = 4x + 1
----- ----- -----
7 7 7

Final Answer: y = 4/7x + 1/7

#2: 25 = 2x + 5y

When the numbers are in this order, I like to switch them around.

2x + 5y = 25
- 2x - 2x
---------------------------
5y = -2x + 25
------ ------ -----
5 5 5

Final Answer: y = -2/5x + 5

I hope this helps you!

Evaluate Dx. -4x + 7y = 1 25 = 2x + 5y

Respuesta :

Otras preguntas

Evaluate Dx.
-4x + 7y = 1
25 = 2x + 5y