Question

a)×-(5-×)
b)7×+(2-10×)-(×-4)

Answer 1

a) x-5+x
x+x-5
2x=5
x= 5/2
x= 2,5

b) 7x + 2 - 10x - 1x + 4
7x - 10x - 1x +2 + 4
7x-11x+6
-4x+6
-4x= -6
4x=6
x= 6/4
x= 1,5