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7-3r=r-4(r
We move all terms to the left:
7-3r-(r-4(r)=0
| 8x-13=1-x+27 | | 8n–(n–3)=9. | | 4(y+6)+2=42 | | +14=29t= | | 2=(1+10g) | | 2.3x-8.4=9.8 | | 6(x+30)=48 | | 6=(6y+1) | | x/3+8=–7 | | -11+2x=24-3x | | 5/8x=5/8 | | 5.1x-3.5=5.5+7.6x | | 100000*1,07^(x)=80000*1,09^(x) | | 2w+3=-2-3w | | 100000*1,07^(x)-80000*1,09^(x)=0 | | 2w+3=-2-3 | | 16-4x+6=0 | | -2=8-n/3 | | 11w=7w+12 | | -4(7x+50=-160 | | 6x+175=3x+172 | | 6a-9=5a | | 6(6v–6)–5=1+6v | | 7/8x-9/8=0 | | n=0.5 | | -1-7v-2=-5-9v | | 6x+172=3x+127 | | -35/x-5=-10/x | | X+94=4x | | (9x+4)+(5x+4)+90=180 | | w+6.43=9.24 | | -9(y-2)=-4y+8 |