Math, asked by surveyorsunil, 1 year ago

x+y=170
z+y=130
then what is the value of x

Answers

Answered by sourav5571

0

x+y=170_eqation(1)
z+y=130
y=130-z_eqation(2)
put in eq.(1)
x+130-z=170
x=170-130+z
x=40+z

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