Question

7x+2y=20 and 3x_y=3 elimination method

Answer 1

multiply second equation by (2)

6x -2y=6

adding 1 and 3

7x + 2y + 3x -2y = 20 + 6

10x = 26

x = 2.6

put it in equation 2.

3 × 2.6 -y =3

7.8 -3 = y

y = 4.8

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Answer 2

Answer:

x = 2 and y = 3.

Step-by-step explaination:

The steps are given in figure.