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2.5+i=0
We move all terms containing i to the left, all other terms to the right
i=-2.5
| 5x+8+6x+4=180 | | x+90+44=180 | | 4v+3v-2v=8+12-4 | | 7x-20+5x-4=180 | | 7x-11+x-25=90 | | 3x-28+x-4=90 | | 4x-10x+10-13=45 | | 5x+5+6x-8=180 | | 4x-2-3=15 | | 3(4-x)+4(x+1)=12 | | 3n+3+90+2n+7=180 | | (-9x)+13=76 | | -9x)+13=76 | | 180(n-2)/(360/n)=2/1 | | 360n^2-720n-360=0 | | 2x21=9.4 | | -28=5w+3 | | 6x+10=7x+9=180 | | 115x+50=180 | | -8x+12=-4x-20 | | 0.10=0.35*x | | 6b-5b=-2 | | 9x-(2x-15)=41 | | 2(7x-6)=37 | | 4x+14+4x=36 | | y=43.7x=1.12 | | x+3+8x+9=7x+4 | | 171-y=92 | | 16=-x+256 | | 164=56-y | | a=19+18 | | b+88=180 |