Question

O resultado de “x” na equação 4/(5x + 1) = 9/(10x + 6) é:

Group of answer choices

1
O resultado de “x” na equação 4/(5x + 1) = 9/(10x + 6) é:

Group of answer choices

1

2

3

0

2

3

0

Answer 1

$\frac{4}{5x+1} =\frac{9}{10x+6}$

$4(10x+6)=9(5x+1)$

$40x+24=45x+9$

$24-9=45x-40x$

$5x=15$

$x=\frac{15}{5}$

$x=3$