Step-by-step explanation:
[tex] \frac{48}{2x + 7} = \frac{40}{5x - 2} \\ 48(5x - 2) = 40(2x + 7) \\ 240x - 96 = 80x + 280 \\ 240x - 80x = 96 + 280 \\ 160x = 376 \\ \frac{160x}{160} = \frac{376}{160} \\ x = 2.35[/tex]
