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12-2x=3(3x+15
We move all terms to the left:
12-2x-(3(3x+15)=0
| 56x=98 | | 12x–4=26 | | a+-45=15 | | 8x-2(x+8)=8 | | 4x+7-3x=2(x-4)+3 | | -x-9=-4 | | 1.5c-25=-23 | | 5.9x+6=3.9x+14 | | x+0.8=1 | | 4(x+2)=10(2.4+8) | | (9,-4)=(10,u) | | 103y+4y+12=180 | | 7x^2−2x^2=125 | | 2.8p=2 | | 3y+7=90 | | 5x+1=88° | | 10(4x+4)=100 | | 6+2w=2w | | 5(x+1)-(-3x+1)=2(3x+5)10x= | | 12b=2 | | 3.5x+0.5x=18+4.5x | | 103+4y+12=180 | | 6s=270 | | 0=-t^2+18t | | -3(4x-5)+2x-1=24 | | 3x+12=2(x‒3) | | -3(x+1)+4=-3x10+11x-17 | | 6x2x=4 | | x=360-172 | | 32x=20x+23 | | 4x-3(x+5)=2(x+3) | | 32x+20x+23=180 |