Question

Resolvar, Em IR, As Equações.
$9(x - 4) + 2 = 5(x - 2) + 5$

Answer 1

Boa tarde!!

$9(x -4) +2 = 5(x -2) +5 \\ 9x -36 +2 = 5x -10 +5 \\ 9x -34 = 5x -5 \\ 9x -5x = -5 +34 \\ 4x = 29$

$x = \frac{29}{4} \\ x = 7,25$

Bons estudos ;)