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I need answer for #11

I need answer for #11-example-1

2 Answers

9 votes

Answer:

(2, 0 )

Explanation:

Given the 2 equations

2x + 3y = 4 → (1)

3x - 7y = 6 → (2)

Multiplying (1) by 3 and (2) by - 2 and adding the result will eliminate x

6x + 9y = 12 → (3)

- 6x + 14y = - 12 → (4)

Add (3) and (4) term by term to eliminate x

0 + 23y = 0

23y = 0

y = 0

Substitute y = 0 into either of the 2 equations and solve for x

Substituting into (1)

2x + 3(0) = 4

2x = 4 ( divide both sides by 2 )

x = 2

solution is (2, 0 )

User Martin Grey
by
6.5k points
9 votes

Answer: The first step would be to multiply the first equation by 3 and the second by 2 so you can eliminate x.

User Msmani
by
6.3k points