Question

Which expression is equivalent to 12x − 8x + 3 and why?
3 + 4x, because (12x − 8x) + 3 = 4x + 3 = 3 + 4x 7x, because 12x − 8x + 3 = 4x + 3 = 7x 12x − 5, because 12x − (8x − 3) = 12x − 5 x, because 12x − 8x + 3 = 12x − 11x = x

Answer 1

@UsukiDoll

Answer 2

u there?

Answer 3

are you sure it's not \[12x^2-8x+3 \]? for the equation?

Answer 4

no

Answer 5

12x − 8x + 3

Answer 6

for once I don't understand this..
@midhun.madhu1987

Answer 7

I mean if you combine like terms it does become 4x+3... but don't know what goes on next.

Answer 8

nvm next question

Answer 9

The expression to find the perimeter of a rectangle is 2(length + width). What is the perimeter, in units, of a rectangle of length fraction 1 over 7 unit and width fraction 1 over 2 unit?
fraction 1 and 1 over 7 units fraction 1 and 2 over 7 units fraction 4 over 9 unit fraction 2 over 9 unit

Answer 10

@UsukiDoll

Answer 11

@midhun.madhu1987

Answer 12

open a new question .