Friday

October 24, 2014

October 24, 2014

Posted by **katie** on Thursday, January 13, 2011 at 11:12pm.

x=4y+1

substitution, elemenation

- math -
**Reiny**, Friday, January 14, 2011 at 12:37amin this case, substitution is your obvious choice

sub the 2nd into the 1st.

2(4y+1) - 3y = 12

8y + 2 - 3y = 12

5y = 10

y = 2

sub into the 2nd

x = 4(2) + 1 = 9

x = 9 , y = 2

**Answer this Question**

**Related Questions**

Calculus 2 - Evalute the integral of x/(x^2+4)dx using u-substitution and then ...

Trigonometric Substitution - Trigonometric Substitution a. Explain why the ...

math - int 1/ (sq rt (4sec^2 x +4)) dx trigonometric substitution expression: sq...

math - solve each system of equations by substitution. y=3x-9 please help ...

Math - 1. Explain the advantages and disadvantages of both the substitution ...

calculus - Integrate x/(x^2 + 4) dx via trig substitution and by u=x^2+4 ...

math/ elimination& substitution - how do i solve this? using elimination or ...

math substitution method - use the substitution method to solve 7x+5y=-26 x=28-...

calculus - We're doing indefinite integrals using the substitution rule right ...

Algebraic Systems - Okay i just wanna know what you think is the easiest between...