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4*x-457 = 115-(x/3)
(3/4)*x-3 = (1/2)*x
x^2+5*x-30;x^2+5*x-30
1;7;5;7;1;2
x^2+5*x-30;0
| 413-8x=113 | | s=160+160(0.12) | | z(z-6)+2z=3+z(z-2) | | 412-8x=114 | | 75=4x-9 | | 7+8x=111 | | 4(3x-8)-5=4(x-3)+23 | | 4x-8=84 | | 7m^2+14m-56=0 | | z^2-6z+2z=3+z^2-2z | | 8y-10=-3y+3 | | -28=3(u-7)+4u | | 45xn-13=4 | | -3x+6(x+3)=-3 | | 10logx=88 | | (17-6i)+(8+3i)=0 | | -5y+2(y-7)=-26 | | 4(2-6a)-4a=-216 | | (7xy)(9xy^5)= | | -8=-1+3x | | .5(4-k)=2/5 | | 272=-8(6n+8) | | 3(x+3)=2(x+1) | | 136=4(6v-2) | | 2n-12=18 | | -39/182= | | 90=6(5+2x) | | (4x-457)=115-x/3 | | y+8+3(y+6)= | | 228=4(1+8x) | | -55/143= | | 3/4x-3=1/2x |