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2x-y=1 5x+2y =25 by substition method |
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Answer» Step-by-step explanation: 2x-y=1 2x=1+y X=1+y/2------1equation substitute the value of x in 2ND equation. 5x+2y=25 5(1+y/2)+2y=25 5+5y/2+2y=25 multiply both sides with 2 5+5y+4y=50 9y=45 y=5 substitute value of y in any equation I am CHOOSING eq1 2x-5=1 2x=6 x=3 therefore x=3 and y=5 Hope it HELPS you.... mark it as BRAINLIEST answer plzzz... |
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