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8x-9y=19 4x+y=-7 How Do I Do This Type Of Math

8x-9y=19 4x+y=-7 How Do I Do This Type Of Math
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8x-9y=19 4x+y=-7 How Do I Do This Type Of Math

User Nermin
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1 Answer

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8x-9y=19
4x+y=-7
Multiply all terms of the 2nd by (9)===> 36x + 9y= 63

add (36x 9y= 63) to the 1st ===> 44x+0y = -44 ===> x=-1
replace x by this value in any of the equation & you'll get y=-3
User Ant Kennedy
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