Math, asked by vinayjamwal8, 1 year ago

Solve the equations 13x+13y=132 & 11x +2y=130

Answers

Answered by GauravGumber

2*[13x+13y=132].....(1)

13*[11x+2y=130]......(2)

26x+26y=264........(1)
143x+26y=1690......(2)

subract (1) from (2)

(143x+26y )- (26x+26y)=1690-264
117x = 1426
x = 1426/117

from (2)
2y=130-11x
2y=130-11*1426/117
2y=(130*117-11*1426)/117
2y=-476/117
y=-238/117

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