Question

Calcule

4x -1 = 2x +1 B) x-3 + x = - 4
2 3 5 3



2- a) x + 2 + x + 1 = 6
6 4

Answer 1

1) a) 4x- 1 = 2x +1
4x - 2x = 2
2x = 2
x = 2/2
x = 1

b) x - 3 + x = - 4
2x = - 4 + 3
x= -1/2

2) a) x + 2 + x + 1 = 6
2x = 6 - 3
x = 3/2