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3 votes
Which of the following shows the system with like terms aligned?

-4x - 0.4y = -0.8
6x + 0.4y = 4.2

-4x + 0.4y = 0.8
6x + 0.4y = 4.2

-4x + 0.4y = -0.8
6x + 0.4y = 4.2

-4x + 0.4y = -0.8
6x - 0.4y = 4.2

2 Answers

3 votes

Answer:

C

B

(0.5, 3)

Explanation:

edge 2021

User Tancrede Chazallet
by
4.2k points
6 votes

C -4x + 0. 4y = 0. 8

C -4x + 0. 4y = 0. 8 6x + 0. 4 y = 4. 2

how can subtracting the equations help you solve the system?

B: It eliminates the y-terms

The solution to the system is

( 0.5, 3)

User Mark Tielemans
by
4.4k points