Répondre :
A = 11+ 2( X-6)
A = 2x X + 2x -6 +11
A = 2X -12 + 11
A = 2X -1
Développe et réduire ces expressions
7-4(8-2a)+a
-15-9(-5+3b)
-5(6-3z)-9+z
12x-4(6-3x
A=11+2(x-6)
B=-3(2y-4)-2y
C=7-4(8-2a)+a
D=-15-9(-5+3b)
E=-5(6-3z)-9+z
F=12x-4(6-3x)
A = 11+ 2( X-6)
A = 2x X + 2x -6 +11
A = 2X -12 + 11
A = 2X -1
