a) 2 ( 8 - x ) - 3 ( 9 - x ) = 0 b) - ( 3 x + 2 ) + 2 x = 4 c) 3 ( x - 2 ) - 5 x = 10 d) ( 4 x - 5 ) - 2 ( x + 3 ) = - 9 Pomocy plis

martyna13222

a) 2 ( 8 - x ) - 3 ( 9 - x ) = 0 16 - 2x - 27 - 3x=0 -2x-3x=-16 +27 -5x=11 / -5 x= - 11/5 x=- 1 ⅕ b) - ( 3 x + 2 ) + 2 x = 4 -3x - 2 + 2x=4 - 3x + 2x = 4 + 2 x= - 6 c) 3 ( x - 2 ) - 5 x = 10 3x - 6 - 5x= 10 3x - 5x= 10 + 6 - 2x= 16 / 2 - x= 8 x= - 8 d) ( 4 x - 5 ) - 2 ( x + 3 ) = - 9 4x - 5 -2x - 6= - 9 4x - 2x= -9 + 5 + 6 2x= 2 /2 x=1

bartek07123

a) 2 ( 8 - x ) - 3 ( 9 - x ) = 0 16-2x-27-3x=0 -5x-11=0 -5x=11/:(-5) x=-1⅕ b) - ( 3 x + 2 ) + 2 x = 4 -3x-2+2x=4 -x-2=4 -x=4+2 x=-6 c) 3 ( x - 2 ) - 5 x = 10 3x-6-5x=10 -2x-6=10 -2x=10+6 x=-8 d) ( 4 x - 5 ) - 2 ( x + 3 ) = - 9 4x-5-2x-6=-9 2x-11=-9 2x=-9+11 x=1

Natalija123

a) 2 ( 8 - x ) - 3 ( 9 - x ) = 0 16 - 2x - 27 +3 x= 0 -11=-x x=11 b) - ( 3 x + 2 ) + 2 x = 4 -3x -2 +2x = 4 -x =4+2 -x=6 x=-6 c) 3 ( x - 2 ) - 5 x = 10 3x -6 -5x =10 -2x=16 x=-8 d) ( 4 x - 5 ) - 2 ( x + 3 ) = - 9 4x -5 -2x -6 =-9 2x = 2 x=1