If it's not what You are looking for type in the equation solver your own equation and let us solve it.
-12-5f-7f=-12f-12
We move all terms to the left:
-12-5f-7f-(-12f-12)=0
We add all the numbers together, and all the variables
-12f-(-12f-12)-12=0
We get rid of parentheses
-12f+12f+12-12=0
We add all the numbers together, and all the variables
=0
f=0/1
f=0
| b/9=11 | | -3v-26=1 | | 2.5x+3x=15 | | 675/9=x=13 | | -12-5f-7f=-12f-11 | | -20+7(3v-20)=13v | | 45=6x+4x+54 | | v/4− 1=3 | | 19c+16-18c=-18+3c | | 5y+5+20y=180 | | 4.1=x-(-4.9) | | 5+7a=117 | | 2(5x-5)+3x-5=180 | | 14=p/3+ 10 | | -w/4=-47 | | 9(n+n)=153 | | 2x/3-1/6=5/6x-2/3 | | 13/3=11/v | | y=-4/15(20)+24 | | -3.2=r-1.5 | | 12-18m=-2(9m-6) | | 35-7(2-b)=0 | | 0.7(x-10)+0.5=1-0.6(20-2x)-0.5 | | 3(t-7)=-3 | | 5/7-x/14=9/7 | | -11.6=4x | | 2x+25+3x+25=180 | | |2x+6|=|x+8| | | k−1/3=3 | | 5/3x+1/3x=162/3+7/2x | | 15-15-19q=-19q-20 | | 2w+6=40 |