1) -2(3a+b/10)+b/5 = -6a -2b/5 + b/5 = -6a - b/52) 4(13/11 - a) - 6/5 = 52/11 - 4a - 6/5 = -4a + 82/553) -1/3b + 1/3b = 04) -7/2c -32/19 + 9 1/2c = 2c - 32/19
1) -2(3a+b/10)+b/5 = -6a -2b/5 + b/5 = -6a - b/5
2) 4(13/11 - a) - 6/5 = 52/11 - 4a - 6/5 = -4a + 82/55
3) -1/3b + 1/3b = 0
4) -7/2c -32/19 + 9 1/2c = 2c - 32/19