3(x+5) = 7x + 12 - 4x + 3.

Infinitely many solutions

Step-by-step explanation:

3(x+5) = 7x + 12 - 4x + 3

3x + 15 = 7x + 12 - 4x + 3

3x + 15 = 3x + 12 + 3

3x + 15 = 3x + 15

They are the same equation, therefore there are infinitely many solutions.

$450.00 for 6 weeks

or

$300

step-by-step explanation:

$200.00 for first week $50.00 x5 equals $250 plus $200 equals $450.00 for six weeks.

$200 for first week

$200 x 0.10 = $20

$20 x 5 = $100

$200 + $100 = $300

$8

step-by-step explanation:

it is pretty much backwards.

you take the 4x2 multiply that, and that is = $8