Question

me ayun por favor
A)
y = x - 4

x =

6x -7y = 21
y =
B)
x + 6y = -3
x =

2x + 13y = -8
y =
C)
x + 4y = 110
x =

9x + 2 y = 140
y =
D)
8m + n = 10
m =

8m + 7n = 22
n =
E)
y - 3x = 34
y =

x - 8y =27
x =
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Answer 1

Respuesta:

A)

y = x - 4

x =y+4

6x -7y = 21

y =(6x-21)/7

B)

x + 6y = -3

x =-3-6y

2x + 13y = -8

y =(-8-2x)/13

C)

x + 4y = 110

x =110-4y

9x + 2 y = 140

y =(140-9x)/2

D)

8m + n = 10

m =(10-n)/8