Is it okay to switch -3 = x - 5 to become -3 = 5 - x?

No, those are not the same.

Step-by-step explanation:

Assuming x=2,

-3=2-5 is not the same as -3=5-2

No

Answers changes from negative to positive.

answer: no, but if it does it's a obvious pattern.

step-by-step explanation:

$3720

step-by-step explanation:

taxable income = $31000

as per the 2018-2019 us tax bracket, the tax rate is 12% for an individual whose taxable income is between $9,526 to $38,700.

so, the tax to be paid by him = 12% of 31000

= 0.12 * 31000     [12% converted to decimal as 0.12]

= $3720