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Using elimination, solve $2 x + 5 y = 9$ and $3 x - 2 y = 4$ . Find $x$ .

Class 10Elimination MethodAlgebra — Systems of Equations

A4
B3
C2
D1

Step-by-Step Solution

Multiply first by 2

(4 x + 10 y = 18)

, second by 5

(15 x - 10 y = 20)

; add:

19 x = 38

, so

x = 2

. (Then

y = 1.

)

Answer: C) 2

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