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1.Find the value of x for this simultaneous linear equations.5x + 2y =31-2x + 7y = 11=2.Find the value of y for this simultaneous linear equations.5x + 2y =31-2x + 7y = 11=

Answer»

ANSWER:

X = 5

Step-by-step explanation:

5x + 2y = 31

2y = 31 - 5x

y = ( 31 - 5x )/2

-2x + 7 { ( 31 - 5x ) / 2 } = 11

( - 4x - 35x + 217 ) / 2 = 11

- 39x + 217 = 22

-39x = 22 - 217

-39x = - 195 ( we will cancel - )

39x = 195

x = 195 / 39

x = 5 ANS.



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