<span>75% * 28 =
(75 : 100) * 28 =
(75 * 28) : 100 =
2,100 : 100 =
= 21</span>
Answer:
<h3>x = -30</h3>
Step-by-step explanation:
minus 12 on both sides
updated equation: x/3=-10
multiply 3 on both sides
updated equation
x = -30
Answer:

Step-by-step explanation:
we know that
The formula to solve a quadratic equation of the form

is equal to

in this problem we have

so

substitute in the formula


3/2
Isolate the variable by dividing each side by factors that don't contain the variable.