08-03-2007, 08:32 PM

I am trying to simplify the following equation:

[3(x + 2) + 2x] - [4(y + 2) - 3(y - 2)]

This is how I'm processing it:

[3x + 6 + 2x] - [4y + 8 - 3y + 6]

[5x + 6] - [14 + y]

5x + 6 - 14 + y = 5x + y -8

However, the text gives the answer as:

5x - y - 8

So what am I doing wrong? Thanks.

[3(x + 2) + 2x] - [4(y + 2) - 3(y - 2)]

This is how I'm processing it:

[3x + 6 + 2x] - [4y + 8 - 3y + 6]

[5x + 6] - [14 + y]

5x + 6 - 14 + y = 5x + y -8

However, the text gives the answer as:

5x - y - 8

So what am I doing wrong? Thanks.

Excelsior, BS, pursuing degree

Completed:

CLEP: Hum. (67), Hist. of U.S. I (74), Hist. of U.S. II (71), Intro. Psych. (69), Intro. Soc. (72), Soc. Sci. and Hist. (74), Western Civ I (72), Western Civ II (70), Am. Lit. (60), Intro. to Educ. Psych. (62), P. of Management (74), P. of Market. (74), Intro. Bus. Law (67), P. of Accounting (60), AmGov (68)

DSST: Ethics in Am. (76), P. of Super.(67), HRM (65), Intro to Bus. (70), MIS (65), P. of Fin (62), M&B (65), P. of Stat. (68)

ECE: OB (B)

TECEP:: IntFin, SecAna

Others

Total Credits: 129

Completed:

CLEP: Hum. (67), Hist. of U.S. I (74), Hist. of U.S. II (71), Intro. Psych. (69), Intro. Soc. (72), Soc. Sci. and Hist. (74), Western Civ I (72), Western Civ II (70), Am. Lit. (60), Intro. to Educ. Psych. (62), P. of Management (74), P. of Market. (74), Intro. Bus. Law (67), P. of Accounting (60), AmGov (68)

DSST: Ethics in Am. (76), P. of Super.(67), HRM (65), Intro to Bus. (70), MIS (65), P. of Fin (62), M&B (65), P. of Stat. (68)

ECE: OB (B)

TECEP:: IntFin, SecAna

Others

Total Credits: 129