If it's not what You are looking for type in the equation solver your own equation and let us solve it.
5x+3-51=90
We move all terms to the left:
5x+3-51-(90)=0
We add all the numbers together, and all the variables
5x-138=0
We move all terms containing x to the left, all other terms to the right
5x=138
x=138/5
x=27+3/5
| 5x-28=2x+21 | | 3x+4.3=13 | | 6x+8+2-2x=-18 | | 5x+3+51=90 | | -2/3+3t=3(t2/3+1/3t) | | | | 19a=133 | | v-38=v-18 | | | | | | 12x-7-2-5x=31 | | 28-w=25;w-3 | | v-18=v-38 | | 5x-2x-11+8=12 | | 3x-2(-4x-16)=40 | | -3(x+5)=-6x-27 | | 3x-12-(-4)+8x=-13 | | -8.2d=28.1=3.6d | | -6+4q=45 | | z+308=5 | | 2000x=10x | | 4x-1=2(2x+1)-1 | | 34=-6w+4(w+5) | | 2h;15=20 | | 2000x=10^x | | 2x-50°=70°-4x | | 2c+14=98 | | 2h;=20 | | (x=10|10,0.5) | | 29.04•x=14 | | –4=–2+2g | | q=-50 |