Posted by
**amy** on
.

I've gotten confunsed. Please help.

Solve:

2y-a = a + 3b

____ ______, for y

3 4

Please show how to solve this.

If you mean

(2y -a)/3 = (a + 3b)/4

then

2y - a = (3/4) (a + 3 b)

2y = (7/4) a + (9/4) b

y = (7/8) a + (9/8) b

f(x)=x(squared)-4x+9

solve for x