Question

C) 5x - 12 = 23 o valro de x ​

Answer 1

$5x - 12 = 23 \\ 5x = 23 + 12 \\ 5x = 35 \\ x = \frac{35}{5} = 7$

Answer 2

Vamos lá

Fazemos os cálculos:

$\boxed{\begin{array}{lr} \large \sf 5x-12=23 \\ \\ \large \sf 5x=23+12 \\ \\ \large \sf 5x=35 \\ \\ \large \sf x=\dfrac{35}{5} \\ \\ \large \sf x=7 \end{array}}$

Logo a resposta será:

$\boxed{\boxed{\sf x=7}}\Longleftarrow$

Bons estudos =)