Tuesday

March 31, 2015

March 31, 2015

Posted by **Mayank** on Monday, July 16, 2012 at 2:32am.

3x + 7y + 5= 0

4x - 3y - 8 = 0

Find p; if:

px + y - 1= 0

- Math -
**Shen**, Monday, July 16, 2012 at 3:52am3x+7y=-5 (i)

4x-3y=8 (ii)

(i)x 4:

12x+28y=-20 (iii)

(ii)x 3:

12x-9y=24 (iv)

(iv)-(iii):

-37y=44

y=-44/37

subs y into (i):

3x+7(-44/37)=-5

3x= -5+308/37

x=148/37

- Math - fix -
**Steve**, Monday, July 16, 2012 at 11:11am3x = -185/37 + 308/37 = 123/37

x = 41/37

**Answer this Question**

**Related Questions**

MATH PLEASEEEEE - I have a question, if f(x)=x/2 and g(x)=3x+1 find: a) (f+g)(x...

Calculus - Let h(x)= x^3 + 4x -2. Let g(x) represent the inverse of h(x). Find g...

(Math)Literal Equations and Formulas HELP! - 1) Solve for p. 3(p+q)=p (1point) Q...

math - solve each equation for 0=/<x=/<2pi sin^2x + 5sinx + 6 = 0? how do ...

Math help please - 1. Solve for x. 4(x - b) = x b = 4/3x b = 3/4x x = 4/3b x = 3...

math - how would I solve 10=7-m? I dont understand how to find the variable and ...

Math - We have an important chemsitry test due and I want to make sure that I do...

English - 1. He can not solve the math problem. 2. He cannot solve the math ...

Math - Solve the system by addition or substitution. 3x – 4y = 8 6x – 2y = 10 ...

math - I'm struggling with this problem and can't find a good example in my book...