If it's not what You are looking for type in the equation solver your own equation and let us solve it.
455+15x=830
We move all terms to the left:
455+15x-(830)=0
We add all the numbers together, and all the variables
15x-375=0
We move all terms containing x to the left, all other terms to the right
15x=375
x=375/15
x=25
| 6m=-m+7m | | 110+110+110+x=360 | | (X^2-3)^2-9(x^2-3)-52=0 | | k-2.17=3.4 | | 60z+50-79z=-37z+49 | | 2(x-4)+5=3x | | 4m+2=6m-18 | | (8-9)(4y+5)=0 | | 30l+240=501-160 | | 13-m=15 | | -5x-3+7x=7x-11+3x-11 | | 3x-9+4x+10-2x+1=180 | | 4x+7=6x+8 | | 4x^2-4=54 | | −14x−5= −10x−45−10x−45 | | P=120n-n^2-50n | | 3u2-2=5u | | -.45x+0.33=-.66 | | 5q-10=4q | | 0.5x-9=0.2x+9 | | 23+7x=618 | | 9x+50+149=180 | | 5x+3x–13+9x–2=5x–4 | | -4x-+5+2x=11 | | 3+3n=8 | | (2/3x-6)=0 | | 8x–3x+11=4x+50 | | -5d-10=-4-5d-6 | | 2x+6=160 | | 19+6-7x+5x=2 | | 6,638+c=6638 | | 0.25y=-8.7 |