If it's not what You are looking for type in the equation solver your own equation and let us solve it.
-4n-7-5=-20
We move all terms to the left:
-4n-7-5-(-20)=0
We add all the numbers together, and all the variables
-4n+8=0
We move all terms containing n to the left, all other terms to the right
-4n=-8
n=-8/-4
n=+2
| 67=11+8t | | 100=15-y÷5 | | 54-10=11x | | 2(11k-5)=4(5k-3) | | 4=16x-4(5x-7) | | 61=3d+7 | | 5x5=1+2x | | 21=6r-9 | | y=-34-2 | | j/10+76=80 | | 3m-6+8-2m=m+2 | | 4x-8=20;6 | | 7-p=8p+5 | | -4=3+v/15 | | 3(-5+4)+5x-1=-39 | | g-68/8=2 | | 2/5x6/5=-2/5 | | G(-3)=3x-3x | | |3+n|+7=20 | | 120x=450-10x | | W-2=8-5w | | F(5)=-2x+2 | | 6x+3+3=5x-8 | | 4x^2+3x–1=0 | | (2x+5)/x=2x/(x-3) | | 4x2+3x–1=0 | | 14x=−56 | | 8/13=y/7 | | 1/2x-5=10.5 | | 5.3a-7.9=2.9a+2.9 | | -3(x-3)+5(2-x)=-21 | | -6+x/8=4 |