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ICSE Class 9 Answered

Solve the simultaneous equations graphically (3 marks)  2x - y = 4 X + y + 1 = 0
Asked by Sweetysaraff456 | 31 Jan, 2019, 10:16: PM
answered-by-expert Expert Answer
Table for equation 2x - y = 4
 
x 0 1 2 3
y -4 -2 0 2
 
Table for equation x+y+1 =0
x 0 1 2 3
y -1 -2 -3 -4
 
 
As seen from graph, we get solution of the equations as, x = 1, y = -2
Answered by Thiyagarajan K | 31 Jan, 2019, 11:47: PM

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