Tarmarra21 Tarmarra21

02-03-2017
Mathematics

Answered

Solve the system of equations and choose the correct ordered pair.

2y = 8x - 14
4y = 8x + 4

Solve the system of equations and choose the correct ordered pair. 2y = 8x - 14 4y = 8x + 4 class=

Verified Answer :

wolf1728 wolf1728

02-03-2017

A) 2y = 8x - 14
B) 4y = 8x + 4
Multiplying Equation "A" by -1

A) -2y = -8x +14 Then adding it to B
B) 4y = 8x + 4
2y = 18
y = 9
A) 2y = 8x - 14
A) 18 = 8x -14
A) 32 = 8x
x=4

Answer Link

morgaine816 morgaine816

02-03-2017

-1(4y=8x+4)=-4y=-8x-4
+2y=8x-14
=========
-2y=-18
y=9

Then plug in y
2(9)=8x-14
18+14=8x
32/8=x
x=4

Answer Link

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