Solve the given pair of linear equation by Substitution method: 5x + 8y = 18, 2x – 3y = 1.
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Answer:
x=1+3y/2 put the value in 2nd equation.
5((1+3y)/2)+8y=18
(5+15y)/2 +8y = 18
5+15y+16y=18*2
31y=36+5
31y=39
y=39/31
put value of y in
x=(1+3y)2
x=17+9/31
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