Question

4x²-3y=18 10x-4y=38 elimination method​

Answer 1

Step-by-step explanation:

4x`-3y=18 ×4

10x-4y=38 ×3

32x-12y=72

30x-12y=114

- - -

=

y cancels and 2x = -42

x= -42/2= -21

substitute 'x' value in eq 1 or 2

10(-21)-4y=38

-210-4y =38

-4y = 38+210

-4y = 248

y = 248/-4

y = 62

Hence x = -21 and y = -62

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