Question

solve by substitution method.
10x+3y=75
6x-5y=11
​

Answer 1

10x+3y=75

or,10x=75-3y

or,x=(75-3y)/10

now,

6x-5y=11

or,(6×(75-3y))/10-5y=11

or,(450-18y)/10-5y=11

or,(450-18y-50y)/10=11

or,450-68y=110

or,450-110=68y

or,68y=340

or,y=340/68

∴y=5

now finding the value of x,

x=(75-3y)/10

 =(75-3×5)/10

 =(75-15)/10

 =60/10

∴x=6 ans

HOPE IT HELPED :)

Answer 2

here is the answer..

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