" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
a. 2x+(2x-y)-(x+2y)+(-2x-y) = 2x+2x-y-x-2y-2x-y = x-4y
b. 2x-(-5x+2y-z)+(-x+y+2z) = 2x+5x-2y+z-x+y+2z = 6x-y+3z
c.(2a+3b)+(-3a+b+2)-(-4a-b-3) = 2a+3b-3a+b+2+4a+b+3 = 3a+5b+5
2.
a. 3 * (x-5) = 3x - 15
b. -4 * (-2a+3b-1) = 8a-12b+4
c. ( 4-6x+8y) * ½ = 2-3x+4y
d. ( 8a-20b-4) * (-¼) = -2a+5b+1