Question

determine o valor numérico das expressões



A)7x-4para=2



B)2x-y-2parax=4 e y=3
​

Answer 1

Letra A)

Temos:

A=2

Fazemos:

$\Large\red{\boxed{\orange{\boxed{\blue{\begin{array}{l} \tt 7\times2-4 \\ \\ \tt 14-4 \\ \\ \tt 10 \end{array}}}}}}$

Temos a Resposta:

$\LARGE{ \sf 10}$

$\bf\large{\underline{\qquad \qquad \qquad \qquad \qquad \qquad \quad }}$✍

Letra B)

Temos:

A=4 E Y=3

Fazemos:

$\Large\red{\boxed{\orange{\boxed{\blue{\begin{array}{l} 2\times4-3-2 \\ \\ \tt 8-3-2\\ \\ \tt 3 \end{array}}}}}}$

Temos a Resposta:

$\LARGE{ \sf 3}$

$\Large{\text{\tt Bons~estudos}}$

$\bf\large{\underline{\qquad \qquad \qquad \qquad \qquad \qquad \quad }}\LaTeX$✍

$\sf(\purple{+}~\red{cores}~\blue{com}~\pink{o}~\orange{App}~\green{Brainly})$