Wednesday

September 17, 2014

September 17, 2014

Posted by **G** on Friday, June 12, 2009 at 10:39am.

Book says the answer is y=-7

How can this be the answer when the y/7 can each other out when you simplify?

7+y/7=5-y/7

-7____-7

___________

y/7=-2-y/7

This is what I come down to.

- Algebra -
**Reiny**, Friday, June 12, 2009 at 11:09amthey do not cancel each other out, one is positive, the other is negative

add y/7 to both sides

2y/7 = -2

divide by 2 and multiply by 7

y = -7

**Answer this Question**

**Related Questions**

algebra - y=3(x+5)(x-2) I'm suppose to simplify right? There is no way to solve ...

Algebra 2 - Exponential Notation Simplify. (-2)^0-(-2)^3-(-2)^-1+(-2)^4-(-2)^-2 ...

Algebra - Can you please check my work? You have helped other students I know. ...

Algebra - 1. Compare the quantity in Column A with the quantity in Column B. ...

Algebra - x^3-2x^2-9x-2 is greater than or equal to -20. I got (-9+x^2)(x-2)(x-2...

Algebra - I'm not sure how to solve these problems. Simplify (3xsquare - 2x)...

algebra - 1)Simplify:(6x^3-16x^2+11x-5)/(3x-2) answer= 2x^2-4x+1-3over3x-2 2)...

Math - I can't figure out 6 - 2/3r = 1 1/2 The way we're learning how to solve ...

Algebra - Solve 11b+6-2b+b=4b+5-3b-3-b for b. 10b+6= 2 ___-6_-6 10b=-4 Book says...

Algebra (check my answers) - Please check these answers. Multiply -7(2a2 -4) = -...