Question

resolva as equações a seguir, considerando u=Q
x+2 - 2x-3 = 3x+1
2 4 3

Answer 1

x+2-2x-3=3x+1
x-2x-3x=1-2+3
-4x=2×(-1)
4x=-2
x=-2/4
x=-1/2