If it's not what You are looking for type in the equation solver your own equation and let us solve it.
15-4=x
We move all terms to the left:
15-4-(x)=0
We add all the numbers together, and all the variables
-1x+11=0
We move all terms containing x to the left, all other terms to the right
-x=-11
x=-11/-1
x=+11
| y^2-3y+2=72 | | 9x+14=5x+27 | | x=18x+4 | | (2p+1)+(3-4)+(3-1p)=3p+1 | | 5(2x+1)=18x | | x+x=x4 | | 25+x=-3x+3(1+6x) | | t-7=3+2t | | 3x-5=21x-1 | | 13+x=143 | | u/7.5=10/7.5 | | 9j-6j=6 | | -8(x+2)-5x=2X+14 | | x+x=10+10 | | 3/4g-5=10 | | k+1/6=15/12 | | x-87-43-(-75)=x | | 8(x+2)-5x=2X+14 | | (2x+3)^(2)=36 | | 13+z=60 | | 8+3/5(2n-15)=23 | | 3v^2+4=4-2v | | -5x-8=6x-41 | | 8+8=-4(4x-4) | | 0.4=0.4b | | 4x16=2x-4 | | -7=7-(10-n) | | x+x=x9 | | 60/180=x/80 | | 220p=20 | | 14+12=x | | a=a+8=50 |