1)a) A+B = 4(2x-3) + 5(2+x)A+B = 8x - 12 + 10 + 5xA+B = 13x - 2
b) A-B = 4(2x-3) - 5(2+x)A-B = 8x - 12 - 10 - 5xA-B = 3x - 22
c) B-A = 5(2+x) - 4(2x-3)B-A = 10 + 5x - 8x + 12B-A = -3x + 22
2)a) C+D = 3(x+4) + 2(1-3x)C+D = 3x + 12 + 2 - 6xC+D = -3x + 14
b) C-D = 3(x+4) - 2(1-3x)C-D = 3x + 12 - 2 + 6xC-D = 9x + 10
c) D-C = 2(1-3x) - 3(x+4)D-C = 2 - 6x - 3x - 12D-C = -9x - 10
1)
a) A+B = 4(2x-3) + 5(2+x)
A+B = 8x - 12 + 10 + 5x
A+B = 13x - 2
b) A-B = 4(2x-3) - 5(2+x)
A-B = 8x - 12 - 10 - 5x
A-B = 3x - 22
c) B-A = 5(2+x) - 4(2x-3)
B-A = 10 + 5x - 8x + 12
B-A = -3x + 22
2)
a) C+D = 3(x+4) + 2(1-3x)
C+D = 3x + 12 + 2 - 6x
C+D = -3x + 14
b) C-D = 3(x+4) - 2(1-3x)
C-D = 3x + 12 - 2 + 6x
C-D = 9x + 10
c) D-C = 2(1-3x) - 3(x+4)
D-C = 2 - 6x - 3x - 12
D-C = -9x - 10