1. 3x + 2y = 11

y = –4x + 8

3x + 2(-4x + 8) = 11

3x – 8x + 16 = 11

3x - 8x + (16 - 16) = 11 - 16

===> -5x = -5

===> x = 1

y = -4(1) + 8

y = -4 + 8

y = 4

so the solution is (1,4) is that right?

Am not sure on equation #2

2.x – 3y = 10

–2x – 4y = 10