Question

1) Solve the equations 11x + 6y - 4330; 22x + 5y = 7330 and
find the value of x+y.​

Answer 1

Answer:

480

Step-by-step explanation:

11x + 6y - 4330;

22x + 5y= 7330

solve both we get

x=290

y=190

Answer 2

x + y  = 480 if  11x + 6y = 4330; 22x + 5y = 7330

Step-by-step explanation:

11x + 6y = 4330    Eq1

22x + 5y = 7330   Eq2

2 * Eq1 - Eq 2

=> 2 (11 x + 6y)   - (22x + 5y) = 2 * 4330 - 7330

=> 22x + 12y - 22x - 5y = 8660 - 7330

=> 7y = 1330

=> y = 190

11x + 6y = 4330

=> 11x + 6 * 190 = 4330

=> 11x + 1140 = 4330

=> 11x = 3190

=> x = 290

x = 290

y = 190

x + y  = 290+190 =480

x + y  = 480

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