Question

Resolva as equações

A)2(x+5) =1+ 3+5x
5. 4

B) n+1 =n - n+3
4. 2. 8

Answer 1

a)2x+10=4+5x
10-5-4=5x-2x
1=3x
x=1/3
b)n-n+n=3
n=3