3y + 3 = – 2 – 7y
3y + 7y = – 2 – 3
10y = -5
y = -0.5
– 10x + 3 = – 1 – 8x
– 10x + 8x = – 1 – 3
-2x = -4
x = 2
9 – 4x = – 4 – 9x
– 4x + 9x = – 4 – 9
5x = -13
x = -2.6
– 8a + 9 = 3 – 4a
– 8a + 4a = 3 – 9
-4a = -6
a = 1.5
3y + 3 = – 2 – 7y
3y + 7y = – 2 – 3
10y = -5
y = -0.5
– 10x + 3 = – 1 – 8x
– 10x + 8x = – 1 – 3
-2x = -4
x = 2
9 – 4x = – 4 – 9x
– 4x + 9x = – 4 – 9
5x = -13
x = -2.6
– 8a + 9 = 3 – 4a
– 8a + 4a = 3 – 9
-4a = -6
a = 1.5