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
=
Answers
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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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0
Answer:
Note: Questions 1 and 2 both are same
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