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