Posted by mysterychicken on .
I have a math CRCT test today and I needed some help on a last minute review problem.
Can someone please explain how to solve this?
1. 12x3+6x2=31
MC

Algebra 
Reiny,
add the x's and "move" the constants to the other side >
12x+6x = 31 + 3 + 2
18x = 36
divide both sides by 18
18x/18 = 36/18
x = 2 
Algebra 
PsyDAG,
Combine like terms.
18x 5 = 31
Add 5 to both sides.
18x = 36
Divide by 18.
x = 2
I hope this helps. Thanks for asking. 
Algebra 
mysterychicken,
Thanks! I realllyyy hope I pass this!!
MC