Question

Resolva a equação 5×-3+×=2×+9

Answer 1

$\boxed{ \begin{array}{lr}\Large\sf 5x - 3 + x = 2x + 9 \\ \\ \\ \Large\sf 5x + x - 2x = 9 + 3 \\ \\ \\\Large\sf 6x - 2x = 12 \\ \\ \\ \Large\sf 4x = 12 \\ \\ \\ \Large\sf x = \dfrac{12}{4} \\ \\ \\\Large\sf x = 3 \end{array}}$