If it's not what You are looking for type in the equation solver your own equation and let us solve it.
30-45+x=4x
We move all terms to the left:
30-45+x-(4x)=0
We add all the numbers together, and all the variables
-3x-15=0
We move all terms containing x to the left, all other terms to the right
-3x=15
x=15/-3
x=-5
| 0.05y-0.12=0.1 | | 2m+19=9m-2 | | 24+5+x=295 | | 20–3(2+t)=2t+4= | | 46=16x-2 | | 13x=12x+6 | | 3x+0.89=0.49 | | 60(x+6)=1368 | | -12(x+6)=-4 | | -78=7+5x | | (2)/(3)x+(1)/(2)=(3)/(4)x+(1)/(3) | | 2(3x=1)=20 | | 16x=-15x | | 9x-13=94 | | x+5/36=23/30 | | 9^x-5=5^5x | | 3x+80=12×-1 | | 107d=1.7334 | | 2x-7=4x-1+5x+1 | | 25x=25(12.5-x) | | 4x-1=2x-7+5x+1 | | 5x+1=4x-1+2x-7 | | -5=-10+g/2 | | 8s+96=76 | | 3(x+12)=84 | | 6s-48=s+17 | | 4x-14=X-1+x+7 | | -17=5s=7s= | | 65+2x+10+x=180 | | 6x-5x+5=3x-9x+7 | | 3c+91=8c+36 | | x-1+x+7+4x-14=180 |