-8y + 6y + 7x + 7x = -2y + 14x
-8x + 3x + 5,2a + 5a = -5x + 10,2a
5a + 7a - 9,2m + 15m = 12a + 5,8m
-6a + 5a + 4 = -a + 4
-8y + 6y + 7x + 7x = -2y + 14x
-8x + 3x + 5,2a + 5a = -5x + 10,2a
5a + 7a - 9,2m + 15m = 12a + 5,8m
-6a + 5a + 4 = -a + 4