If 4 times a number is added -9, the result is equal to 13 times the number. Find the number. Help please

Question

If 4 times a number is added -9, the result is equal to 13 times the number.   Find the number.   Help please

anonymous · Answer

4x - 9 = 13x

Solve for x

anonymous · Answer

agree, but teach instead of do?

anonymous · Answer

4x-13x=9
so -9x=9
thus
x=1

anonymous · Answer

Alright fine then.

x is an unknown number. 4 times this unknown number, subtracted by 9 is equal the 13 times the number. It's all about interpreting the question, and there's not much else to write down. And @ehuman, I didn't tell him the answer.

@DemolisionWolf it's -1, not 1

anonymous · Answer

Can't forget the negatives :D

anonymous · Answer

@hanimal725 I just get so stoaked on math!

anonymous · Answer

Oh totally, so much fun... @DemolisionWolf

anonymous · Answer

Heh you guys are awesome