bonjour
8+ (2x - 5) = 8 + 2 x - 5 = 2 x + 3
✓ 13x - (4x - 3) = 13 x - 4 x + 3 = 9 x + 3
✓ 7+ (2x - 4) - (2x +9) = 7 + 2 x - 4 - 2 x - 9 = - 6
✓ (-4x - 3) - 7x + 1 = - 4 x - 3 - 7 x + 1 = - 11 x - 2
✓ 8+(-4x+5)-(3x + 2) = 8 - 4 x + 5 - 3 x - 2 = - 7 x + 11
✓-(2x - 5) + (4x + 1) = - 2 x + 5 + 4 x + 1 = 2 x + 6
Bonsoir,
8+ (2x - 5) = 8+ 2x - 5 = 2x +3
13x - (4x - 3) = 13x - 4x + 3= 9x+3
7+ (2x - 4) - (2x +9) = 7+ 2x - 4 - 2x -9 = - 6
(-4x - 3) - 7x + 1 = -4x - 3 - 7x + 1 = -11x -2
8+(-4x+5)-(3x + 2) = 8-4x+5-3x - 2 = -7x +11
-(2x - 5) + (4x + 1) = -2x + 5 + 4x + 1 = 2x +6