Greetings!
"Solve for x: [tex]7x-4+x=12[/tex]"...
Add like terms.
[tex]8x-4=12[/tex]
Add 4 to both sides.
[tex](8x-4)+4=(12)+4[/tex]
Simplify.
[tex]8x=16[/tex]
Divide both sides by 8.
[tex](8x)/8=(16)/8[/tex]
Simplify.
[tex]x=2[/tex]
The variable is equal to 2.
Hope this helps.
-Benjamin
