2x-7y=7 :3x+y=22 solve by simultaneous equation
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A1/A3= 2X/3X =2/3
B1/B2=7Y/Y =7/1=7
C1/C2=7/22.
SO,A1/A2 NOT EQUAL TO B1/B2 NOT EQUAL TO C1/C2.
B1/B2=7Y/Y =7/1=7
C1/C2=7/22.
SO,A1/A2 NOT EQUAL TO B1/B2 NOT EQUAL TO C1/C2.
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Answered by
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Answer:
2x −7y = 7 .....(I)
3x + y = 22 .....(II)
Multiply (II) with 7
21x + 7y = 154 .....(III)
(I) + (III)
23x = 161
x = 7, y = 1
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