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Help, don’t understand this problem.

Help, don’t understand this problem.-example-1
User Timmz
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2 Answers

5 votes

Answer:

Explanation:

hello :

here is an solution :

Help, don’t understand this problem.-example-1
User Tharumax
by
3.6k points
5 votes

Answer:

(2, 3 )

Explanation:

Given the 2 equations

3x - 5y = - 9 → (1)

x + 2y = 8 → (2)

Multiplying (2) by - 3 and adding to (1) will eliminate the x- term, that is

- 3x - 6y = - 24 → (3)

Add (1) and (3) term by term to eliminate x

(3x - 3x) + (- 5y - 6y) = (- 9 - 24), that is

- 11y = - 33 ( divide both sides by - 11 )

y = 3

Substitute y = 3 into either of the 2 equations and solve for x

Substituting in (2)

x + 2(3) = 8

x + 6 = 8 ( subtract 6 from both sides )

x = 2

Solution is (2, 3 )

User Babacar Gningue
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3.9k points