3x – y = 4 2x + y = 6 (2, 2) (3, 0) (–1, –7) (0, –4)
2 answers:
<span>hello :
</span>3x – y = 4....(1)
2x + y = 6.....(2)
by (1) : y=3x-4
by(2) : y = -2x+6
3x-4 = -2x+6
5x =10 ..... x =2
y = 3(2)-4 =2
<span>(2, 2) has solution of system</span>
The answer is 2,2
as 3*2 - 2 = 4
ans 2*2 +2 = 4
So it satisfies both eqautions
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