What is the value of y using the elimination method 4x - 5y = -9 -4x + y = -7

asked Apr 5, 2021 203k views

2 votes

What is the value of y using the elimination method
4x - 5y = -9
-4x + y = -7

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1 vote

4x - 5y = -9

-4x + y = -7

----------------- +

-4y = -16

y = 4

-4x + y = -7

-4x + 4 = -7

-4x = -11

x = 11/4

x = 2,75

Phicr answered Apr 9, 2021

by Phicr

4.4k points

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