Question

Solutia ecuatiei 2(x-1)=4

Answer 1

2 (x-1 ) =4
2x -2 = 4
2x = 4+2
2x = 6
x = 6 ÷ 2
x = 3

Answer 2

$2(x-1)=4 \\ \text{2 se va inmulti cu fiecare termen al parantezei}\\\\2x-2=4\\2x=4+2 \\ 2x=6 /:2 \\ \boxed{x=3} \\ \\ 2(3-1)=4 \\ 2 \cdot2=4$