janeenaj25: 55+7x+4x=180 what is x ?
well +7x+4x = +11x ( the sign always belongs to the thing behind them, with plus this is easy, with minus you have to be careful.)
55 is really +55
so we have
+55+11x = 180
Now, you want the lots of x on their own. So you need to get rid of the +55 , you will have to take 55 off both sides
55+11x-55 = 180-55
11x = 125
Now to get the x by itself, you have to divide both sides by 11
You can finish it