Question

solve this x+ 10y=6000......(1) and x +25=9000......(2)​

Answer 1

x+10y=6000

x+ 25y=9000

subtracting equation 2 from 1

x+10y=6000

- x+25y=9000

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-15y=-3000

y=-3000/-15

y=200

substituting y=200in equation 1

x + 10×200=6000

x=6000-2000

x=4000

(4000,200)is the solution of the given equation

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Answer 2

It is given that

X + 10y = 6000

X+25 = 9000

Consider

X + 25 = 9000

X= 9000-25

X= 8975

Substitute x in x +10y = 6000

8975+10y=6000

10y= 6000- 8975

10y = 2975

X = 298.5