Bonsoir,
START
3x + 4x = 7x
2x + x + 3 = 3x + 3
4y + y + y = 6y
2x + 2x = 4x
x + 3 + 3x = 4x + 3
y + y + y = 3y
2y + 2 + 5 = 2y + 7
y + 4 + 2y = 3y + 4
3a + a + 4a = 8a
5 + 2 + y = y + 7
4x + 1 + x = 5x + 1
2 + x + x = 2x + 2
3x + 2x + 5x = 10x
FINISH
Bonne soirée !
