" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2025 KUDO.TIPS - All rights reserved.
c. a - 12 + 13a + 7 = 14a - 5
b.-6y-7-(4y-9) = -6y-7-4y+9 = -10y+2
c.a-12-(-13a-7)= a-12+13a+7 = 14a-5