Solve the pair of linear equation 4x + 3y = 28; 9x - 5y = 63 by cross multiplication method
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Answer:
4x+3y = 28 ×5
9x-5y = 63 ×3
20x+15y = 140 ........1
27x-15y =189..........2
( equation 1 and 2 ko add Karne par)
47x =329
X =7
then...4x+3y =28(me X ki value put Karne par)
4×7+3y = 28
28+3y =28
3y = 28-28
y = 0
so, (X= 7 and Y=0)
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