Help me as quick as possible 11x+4y=12 9x-4y=8 Solve it with elimination method

asked Jan 20, 2022 135k views

4 votes

Help me as quick as possible
11x+4y=12
9x-4y=8
Solve it with elimination method

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3 votes

Answer:

x = 1, y = 1/4

Explanation:

$11x + 4 y = 12 \ \ \ ---( 1)\\9x -4y = 8 \ \ \ - - - (2)\\\\(1) + ( 2 ) => 20x + 0 = 20\\\\$

=> x = 1

Substitute x = 1 in ( 1 ) :

$11 + 4y = 12\\4y = 12 - 11\\\\y =(1)/(4)$

Rickless answered Jan 26, 2022

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