If it's not what You are looking for type in the equation solver your own equation and let us solve it.
13+7x=7x+13
We move all terms to the left:
13+7x-(7x+13)=0
We get rid of parentheses
7x-7x-13+13=0
We add all the numbers together, and all the variables
=0
x=0/1
x=0
| 57-x=5x+9 | | -c-(-13)=-69 | | -2+e/8=6 | | 2=(x+44) | | 30+c=180 | | 11y-32=y | | .333y=-1.333+.333 | | 5(n+14)=35 | | 3d-5=9d+4 | | 1/2x=2 | | x-9=3x+27 | | -14w=-17w-18 | | (x+31)+(4x-16)+128+92=180 | | 4x2-6x-5=0 | | .333y=-1.333+1.666 | | .333y=-1.333+1 | | 8p+5=-8(p-5) | | .333y=-1.333+2 | | 8/3x+1/3x=2/3+7/3x | | .333y=-1.333+4 | | f(-6)=1/4(2+36) | | -6x-4=2x+8 | | 21+3g=9-3g | | -4(2x+2)=-2(x-8) | | -3-4+9t=10t-19 | | 42x+-7=36 | | 8x-17=-24+8x | | -3(n+8)=-12 | | x+(4x-12)=180 | | 3(2+4n)+2=-64 | | 18-11v=-15v-14 | | 10x+5x-3x= |