i am a beginner in algebra. i need to solve this. x+15 divided by 5 = x+3 divided by 3

- stapel_eliz
**Posts:**1686**Joined:**Mon Dec 08, 2008 4:22 pm-
**Contact:**

losdawg25 wrote:i am a beginner in algebra. i need to solve this. x+15 divided by 5 = x+3 divided by 3

A basic property of

. . . . .

...can be "proved" by showing that 1(6) equals 3(2). Using this "cross-multiplication" fact to solve looks like this example:

. . . . .

. . . . .

. . . . .

. . . . .

In your case, you have:

. . . . .

...which "cross-multiplies" as:

. . . . .

Multiply things out, and solve the resulting

Eliz.