Question

find the difference. (-5x+4)-(-3x+7) what do i do with the extra minus signs? do i make them negatives or positives?

Answer 1

-8x-3

Answer 2

where did that -3 come from?

Answer 3

ohhh okay... thanks

Answer 4

i dont think thats right billybob

Answer 5

the minus sign before the (3x+7) is distributed to make the final answer -2x-3

Answer 6

wait its -2x-3

Answer 7

im confused

Answer 8

ok basically the minus sign before a quantity in parentheses counts as a negative 1

Answer 9

yeah a minus and a minus equals a plus

Answer 10

so you can imagine the expression being (-5x+4)+(-1)*(-3x+7). Distribute the -1, and it becomes -5x+4+3x-7. Now simplify that.

Answer 11

and what billybob said too

Answer 12

okay i understand thanx again