Solve the systems of equations belle

1. y = 3 * 2. 2*+3y = 9

2y - 5 * = 4 * - 2y = 1

A) to find x

replace y by 3x in the second equation

2y - 5x = 4

2 (3x) - 5x = 4

6x - 5x = 4

1x or x = 4

To find y

y = 3x

y = 3*4

y = 12

B) to find y

x - 2y = 1

x = 2y + 1

Replace x by 2y + 1 in the first equation

2x + 3y = 9

2 (2y + 1) + 3y = 9

4y + 2 + 3y = 9

7y + 2 = 9

7y = 7

y = 1

To find x

2x + 3y = 9

2x + 3 (1) = 9

2x + 3 = 9

2x = 6

x = 3