ryanmonty18 ryanmonty18

07-12-2020
Mathematics

contestada

solve each system by elimintaion. x-y=11 2x+y=19

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tomjeery22505 tomjeery22505

07-12-2020

Answer:

X - Y = 11 -------1

2x + y = 19 --------2

Solving by elimination method

Multiple equation 1 by 2

2( X - y )= 22

2x - 2y = 22

2x + y = 19

Y = 3

Putting value of y= 3 in equation 1

X - 3 = 11

X = 11 + 3

X = 14

Value of X = 14 and Y = 3

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