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39 votes
39 votes
2x - 5y =-7 , 4x+5y=1
solve the simultaneous equation please with solution


User Anton Guryanov
by
3.4k points

1 Answer

16 votes
16 votes

2x−5y =−7

2x−5y+5y =−7+5y (Add 5y to both sides)

2x=5y−7
2x/2 = 5y−7/2 (Divide both sides by 2)

x=5/2 y+ −7/2

I gave up

X=-1

Y=1

User Alexander V
by
3.3k points
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