Question

resolva as equações:

a) 5x-3=x+5

b) 4. (x+1)=x-3

Answer 1

a) 5x - 3 = x + 5

5x - x = 5 + 3
4x = 8
x = 8/4
x = 2



b) 4 (x + 1) = x - 3

4x + 4 = x - 3
4x - x = -3 - 4
3x = -7
x = -7/3