Question

solve and check
With steps

Answer 1

x /4 = 25
x = 25* 4
x=100


15-x=4
x=4+15
x=19

Answer 2

2)
$= > \frac{x}{4} = 25$
$= > x = 25 \times 4$
$= > x = 100$


4)
$= > 15 - x = 4$

$= > - x = 4 - 15$

$= > - x = - 11$
Now cancle the - sign on both the sides of the equation.

so,
$= > x = 11$

6)
$= > 7y + 3 = 0$
$= > 7y = - 3$

$= > y = \frac{ - 3}{7}$