Friday

August 22, 2014

August 22, 2014

Posted by **saranghae12** on Monday, April 9, 2012 at 10:08pm.

12x + 4 = 8y

y = x - 7

Please explain to me and help. If you could show all the steps, that would help a lot. Thank you.

- 7th grade math -
**bobpursley**, Monday, April 9, 2012 at 10:27pmput the y equation in the first equation.

12x+4=8*(x-7)

12x+4=8x-56

subtract 8x from each side, subtract 4 from each side.

Then having solved for x, put that into the original y= equation

- 7th grade math -
**saranghae12**, Monday, April 9, 2012 at 10:36pmOohhh thank you soo much!!!

**Related Questions**

7th grade math - How would you solve the problem below using subsitution method...

algebra - solve using the subsitution method 4x+4y=36 4x+4y=12 If the system has...

Grade 11th Maths - (Second time posting this problem)This problem is related to ...

Grade 11th Maths - (Second Time posting this problem)This problem is related to ...

Grade 11th Maths - (Second time posting this problem)This problem is related to ...

Grade 11th Maths - This problem is related to Chapter-Sets. Please solve the ...

alegbra - I have tried these problem cannot get the answer so could some one ...

Grade 11th Maths - This problem is related to Chapter-Sets. Please solve the ...

Grade 11th Maths - This problem is related to Chapter-Sets. Please solve the ...

Subsitution Method Grrr - Please show me the steps and solve. 3x+5y=1025 x+5=275