Solve the equation.
4n – 2n = 18
a.
3
b.
5
c.
9

For this case we have the following equation:

We add similar terms from the left side of the equation, taking into account that different signs are subtracted and the major sign is placed. So:

We divide between 2 on both sides of the equation:

Option C

y = 0.77(x)

step-by-step explanation:

the jacket retains this value after 23% cut or retains 77% of original value. plug original 87 jacket price for x and the remaining value should be y.