5x + 10y = 350 ______¹
x = 2y - 10 ______²
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this is a wrong answer sorry
vinith59:
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5x+10y=350
x=2y-10
put x value in 1st equ
we get
5(2y-10) +10y=350
10y-50+10y=350
20y-50=350
20y=350+50
20y=400
y=400/20
y=20
put y value in 2nd equal
x=2y-10
x=2(20) -10
x=40-10
x=30
x=2y-10
put x value in 1st equ
we get
5(2y-10) +10y=350
10y-50+10y=350
20y-50=350
20y=350+50
20y=400
y=400/20
y=20
put y value in 2nd equal
x=2y-10
x=2(20) -10
x=40-10
x=30
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