Question

if x+x+y = 230 (2x+y = 230) and y-x = 5, then what is the value of y?

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Class 5, Subject - Maths. ​

Answer 1

Answer:

y = 80

Step-by-step explanation:

2x+y = 230----------- 1

y-x = 5

as we need value of y so multiply whole equation by 2

2y - 2x = 10 which is equal to -2x + y =10----------- 2

adding 1 and 2

     2x + y = 230

(+) -2x + 2y = 10

_______________

    0 + 3y = 240

    y = 80

Answer 2

Answer:

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