If it's not what You are looking for type in the equation solver your own equation and let us solve it.
X+2X-49+55=90
We move all terms to the left:
X+2X-49+55-(90)=0
We add all the numbers together, and all the variables
3X-84=0
We move all terms containing X to the left, all other terms to the right
3X=84
X=84/3
X=28
| x/2+2/3=7/6 | | H(x)=5(3)^x | | 3(1-3g)=-7-g | | 12/(-4z)=-8 | | x=-27^1/3+-64^1/3 | | 101+43+a-3=180 | | 1/3(3x+9)=-12 | | 4/5x-2/5x+12/5=2/5 | | -6b=-10 | | M=-5/2’b=0 | | 2x+8-3x=4(x+1) | | 4(3X4)=m | | -4x+28=-32 | | 2n+23=-19 | | 12y+7=-2(1+6y) | | 55+2x-49=90 | | -2a-4-5a=-25 | | -20+8w=36 | | -7x+-28=28 | | -18+2h-6=6h+20 | | 4(2x-1)=4+8x | | 6-10(2x+12)=4x-8 | | -3x+12=-8x-48 | | 21c+7=4c+57 | | 4x+8x-2=58 | | -4(x+5)=23-x | | 36=-5y+y | | (-16-2b+8b)/2=b+2b | | 4n^216n+15=0 | | -6(1-m)=9-3m | | 55+2x-49=180 | | 7-12x=-9 |