Question

please answer me




please answer me​

Answer 1

Answer:

x = -3

Step-by-step explanation:

$\frac{x + 7}{3x + 16} = \frac{4}{7} \\ 7(x + 7) = 4(3x + 16) \\ 7x + 49 = 12x + 64 \\ 12x - 7x = 49 - 64 \\ 5x = - 15 \\ x = - 3$

Answer 2

[tex]\mathfrak{\huge{Answer:-}} \\ \bold{\frac{x + 7}{3x + 16 } = \frac{4}{7}} \\ cross \: multily \\ 4(3x + 16) = 7(x + 7) \\ 12x + 64 = 7x + 49 \\ 12x - 7x = 49 - 64 \\ 5x = ( - 15) \\ x = \frac{( - 15)}{5} \\\boxed{\boxed{\large{\bold{x=(-3)}}}}[/tex]