So after doing research for years to create this question I must ask......What is 4 + 4
2 answers:
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Answer:
Step-by-step explanation:
2x + 5y = 6 --------( 1 )
5x - 2y = 9 --------( 2 )
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( 1 ) x 5 => 10x + 25y = 30 -----------( 3 )
( 2 ) x 2 => 10x - 4y = 18 ----------- ( 4 )
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( 3 ) - ( 4 ) => 0 + 29y = 12
Substitute y in ( 1 ) =>