Question

me ajudem . 4x + 5 = x + 20 ?

Answer 1

Resposta:

4x - x = 20 - 5

3x = 15

x = 15/3

x = 5

Answer 2

$\large \boxed{ \begin{array}{l} \rm \: 4x + 5 = x + 20 \\ \rm \: 4x - x = 20 - 5 \\ \rm \: 3x \: = \: 15 \\ \rm \: x = 15/3 \\ \boxed{ \rm x = 5}\end{array}}$