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CHROME87IN
Answered

A. Substitute one variable in terms of the other, then solve
1. x+y=8
y=x+6


2. y=2x
4x+3y=20

B. Solve each system of linear equations by the elimination method.
1. 3x+2y=-4
2x-y=-12

2. 7x-2y=4
5x+y=15

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Sagot :

MONTEREALERICKAJANEIN

Answer:

A.

1.)x+y=8

y=x+6

answer:( x , y )=( 1 , 7 )

2.) y=2x

4x+3y =20

answer:( x ,y ) = ( 2 , 4 )

B.

1.) 3x+ 2y = -4

2x-y = -12

answer: ( x , y ) = ( 4 , 4 )

2.) 7x-2y=4

5x+y=15

answer: ( x , y) = ( 2 , 5 )

Step-by-step explanation:

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