If it's not what You are looking for type in the equation solver your own equation and let us solve it.
159-x=87
We move all terms to the left:
159-x-(87)=0
We add all the numbers together, and all the variables
-1x+72=0
We move all terms containing x to the left, all other terms to the right
-x=-72
x=-72/-1
x=+72
| 3p-6=p+4+84 | | (8•4-6v)-2v=82 | | 9^-2x=81^4-2x | | 4(m-1)=2 | | X+23*2=(5x-23) | | 3/4x+11=2x-10 | | 5x+23+x+32=90 | | -5x+-5+9x=-1 | | 5x-28+3x-10=90 | | 23+54x=42x+3x | | 3c/2=2 | | 4(3x-2)=-40 | | A+125=23-75a | | 7a+16=5(8-a) | | 9=5(w+5)-7w | | 500/3=x/100 | | 500/3=100/x | | 2x-15=6x+7 | | 2x+15=6x-7 | | (3x+21)/7=8x-15 | | 3x+21=7(8x-15) | | 7n-8=3 | | 3x-7-2x=0 | | 8/(y+20)=12y | | X=7-z | | 1/2(8x-6)=;1 | | 8x-20=12x | | u+1.58=6.74 | | 4=2x-126/x | | 84=4w+16 | | 2×n+3=10 | | 2x-6=3x+19 |