Question

Resolva as equações:-10 +2x =40​

Answer 1

$- 10 + 2x = 40 \\ 2x = 40 + 10 \\ 2x = 50 \\ x = \frac{50}{2} \\ \boxed{\boxed{\boxed{x = 25}}}$

att. yrz

Answer 2

$\Large\boxed{\begin{array}{l}\sf-10+2x=40\\\sf2x=40+10\\\sf2x=50\\\sf x=\dfrac{50}{2}\\\\\sf x=25~\checkmark \end{array}}$