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8*x+3 = 30-x;x
x
370;220
893;52
6666;222
x+2+3 = 3*x;x
x
| 5p+7-5p=(p-3) | | x=180-4x | | 49-4x=7-1-x | | 3x-15+4x+12=2 | | 33/36=x/24 | | 5a+1=4*-38+3a | | 20x-18x=7+15 | | (8x-1)+(3x-6)=180 | | 2r^2=250 | | a+4*-1=8 | | 80-6x-42=-9-2x | | 6c^2-11cd-10d^2= | | 9cos^2x=1 | | 7+-5y+4y=8 | | -18-2xr+8r+1=7 | | y=160/r | | a+5y=7 | | x^2+0.013x+0.0026=0 | | (5x-1)(-2x+1)=0 | | 35y-14=56 | | -4x+4(-4x-3)=-132 | | 8x/20-11/20=x/4-1/4 | | 4x-60-8=-8x | | -4+4(-4x-3)=-132 | | 8x-11/20=x-1/4 | | 12+-d-d=2 | | -61+11x=35+5x | | 36/g=27/63 | | d=54.1+-6.7r | | 21+28=28+41 | | y=4x+.6 | | r^2+48=14r |