Question

x=5x-13
x+5x=-10+3
4x-5x-9=3x+4x
3x-8x+9x=12-7x

Answer 1

1)

$\times = \frac{13}{4}$

2)

$\times = \frac{1}{2}$

3)

$\times = \frac{9}{8}$

4)

$\times = \frac{12}{11}$