1) 2a + 4 = a + 122a - a = 12 - 4a = 8
2) 11y - 8 = 3y + 1611y - 3y = 16 + 88y = 24y = 3
3) 10c - 4 = 8c + 1810c - 8c = 18 + 42c = 22c = 11
4) 8x - 5x - 3 = 63x - 3 = 63x = 9x = 3
5) 2 + 6a + 4a = 9210a + 2 = 9210a = 90a = 9
6) 2x - 15 = 8x - 52x - 8x = -5 + 15-6x = 10x = -5/3 or -1 2/3
1) 2a + 4 = a + 12
2a - a = 12 - 4
a = 8
2) 11y - 8 = 3y + 16
11y - 3y = 16 + 8
8y = 24
y = 3
3) 10c - 4 = 8c + 18
10c - 8c = 18 + 4
2c = 22
c = 11
4) 8x - 5x - 3 = 6
3x - 3 = 6
3x = 9
x = 3
5) 2 + 6a + 4a = 92
10a + 2 = 92
10a = 90
a = 9
6) 2x - 15 = 8x - 5
2x - 8x = -5 + 15
-6x = 10
x = -5/3 or -1 2/3