Question

quanto e 4 (x-1)-2 x+1)=26 conta por favor

Answer 1

4.(x - 1) - 2.(x + 1) = 26
4x - 4 - 2x - 2 = 26
2x - 6 = 26
2x = 26 + 6
2x = 32
x = 32/2
x = 16

Answer 2

4 (x-1)-2 x+1=26
4·x-4·1-2x+1=26
4x-4-2x+1=26
4x-2x =26+4-1
4x-2x=29
2x= 29
x= $\frac{29}{2}$
S: {$\frac{29}{2}$}