Question

2 X + Y is equal to 35 and 3 X + 4 Y is equal to 65 find xy value

Answer 1

BE BRAINLY

2x + y = 35

y = 35-2x

3x + 4y = 65

3x + 4(35-2x) = 65

3x + 140 - 8x = 65

-5x = -75

x = -75/-5

x = 15

y = 35-30

y = 5

Therefore xy = 75

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