Bonjour,
7(4x+1) = 28x+7
3(x-5) = 3x-15
8(3x-1) = 24x-8
7(2x-1) = 14x-7
4(3x+4) = 12x+16
2(x+1) = 2x+2
3(2-3x) = 6-9x
7(x-6) = 7x-42
2(4x+1) = 8x+2
8(x-3) = 8x-24
5(2x+6) = 10x+30
7(3x+1) = 21x+7
4(3x-2) = 12x-8
5(4-3x) = 20-15x
3(3x+9) = 9x+27
2(2x-1) = 4x-2
5(1-x) = 5-5x
3(2x+4) = 6x+12
5(2x+1) = 10x+5
et
4(3-2x) = 12-8x