Q. 75.0( 1 Vote )

# Solve the followi

The given equations are

13x + 11y = 70 … (1)

11x + 13y = 74 … (2)

24x + 24y = 144

Dividing by 24,

x + y = 6 … (3)

Subtracting (2) from (1),

2x + ( – 2y) = – 4

Dividing by 2,

x – y = – 4 … (4)

Solving (3) and (4),

x + y + (x – y) = 6 – 4

2x = 2

x = 1

Substituting x = 1 in (3),

1 + y = 6

y = 5

(1, 5) is the solution to the given system.

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