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3 years ago

6

Solve using elimination. -9x + 2y = 5 9x − 4y = -19

2 answers:

Vitek1552 [10]3 years ago

7 0

-9 + 2y = 5
9x - 4y = -19

Add these equations to eliminate x:
-2y = -14

Then solve -2y = -14 for y:
-2y = -14
-2 -2
(Divide both sides by -2)

y=7

Substitute 7 for y in -9x + 2y = 5:
-9x + (2)(7) = 5
-9x + 14 = 5
-14 -14
(Subtract 14 from both sides)
-9x = -9
-9 -9
(Divide both sides by -9)
x = 1

(1,7)
Mark me Brainlest pls

almond37 [142]3 years ago

6 0

hi hruStep-by-step explanation:

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