SOLUTION: How do i solve 2x +7y =8 and x- 9y =4 ?
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Question 669722
:
How do i solve 2x +7y =8 and x- 9y =4 ?
Answer by
jim_thompson5910(35256)
(
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):
You can
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Hint:
x- 9y =4
x
=
9y+4
-----------------------
2x +7y =8
2x +7y =8
2(
x
) + 7y = 8
2(
9y+4
)+7y = 8
2(9y+4) + 7y = 8