If it's not what You are looking for type in the equation solver your own equation and let us solve it.
2x-138=51+9x
We move all terms to the left:
2x-138-(51+9x)=0
We add all the numbers together, and all the variables
2x-(9x+51)-138=0
We get rid of parentheses
2x-9x-51-138=0
We add all the numbers together, and all the variables
-7x-189=0
We move all terms containing x to the left, all other terms to the right
-7x=189
x=189/-7
x=-27
| -x-217=80-10x | | x-197=-8x+100 | | -186-6x=2x+70 | | -4.4+-b=-11.15 | | 13=z/5+9 | | -53=-8n | | -59+8x=11x+28 | | (4x-95)=90 | | q/3+5.7=7.7 | | -8x-87=2x+173 | | -2b+8=14 | | x^2-30x+196=0 | | -40-3x=38-6x | | 0=v/1+3 | | (x)(5x+13)=550 | | 85-9x=13 | | 4d+25=350+5d | | -3=2n-7 | | 8x+19+139=180 | | 3(x-5)=5(x-10) | | 12x+1=7x-30 | | m^2-12m-35=0 | | -8(2+7n)=-6n+7n | | 32x^2-48x-1=0 | | 3(x-1)=2x+42 | | 23x-3(5x+12=-64 | | 16x^2-24x-1/2=0 | | 13.6=11.9x | | 4x=-3x+56 | | 3x+2=2x-23 | | 2x=x-6+2x-3 | | 25+12w=49 |