solve the pair of linear equation by substitution method 3x+2y-7=0
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Answered by
2
Answer:
3x+2y−7=0
Step-by-step explanation:
3x+2y=7
3x+2(6−4x)=7
3x+12−8x=7⇒−5x+12=7
−5x=7−12⇒−5x=−5
x=1
∴ y = 6 - 4×1=2
∴ x = 1, y = 2
Answered by
0
Answer:
3x + 2y= 7
x= 7 - 2y/3
By substitution,
3 * 7-2y/3 + 2y = 7
7- 2y + 2y= 7
-2y + 2y= 7 - 7
0 = 0
Hence proved,
3x + 2y - 7= 0
Step-by-step explanation:
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