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x in (-oo:+oo)
y = 2-((5*x)/(-4)) // - 2-((5*x)/(-4))
(5*x)/(-4)+y-2 = 0
y-5/4*x-2 = 0 // - y-2
-5/4*x = -(y-2) // : -5/4
x = (-(y-2))/(-5/4)
x = -4/5*(2-y)
x = -4/5*(2-y)
| x-8y=-24 | | 3-t=8t | | 2-5x/-4 | | x+41/3=7 | | 4t+14=5t/5+7 | | m+n=n | | 3(8d+8)-9=207 | | ln(3x-4)=1.4 | | 2c^2-18c=0 | | -8*-8-10y=80 | | 4x-21=-5 | | 1+4(2n-1)=21 | | 8(x+7+6y)= | | m=3y+4 | | -3x-5(6x-6y)= | | -7+p/4=-8 | | ln(7x+1)=6 | | y=7x/x^2+49 | | -6y+3=51 | | 15-22x=9 | | 9999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999x+888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888 | | 9999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999x+888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888 | | 9999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999x+888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888 | | 7(2.5)-15+6(2.5)= | | (3x+8)+(8x+2)= | | -2/-18 | | 7*2.5-15+6(2.5)= | | 3(2y-5)-y=8 | | 9000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000+9000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 | | 2x+3=90000000000000000000000000000000000000000000000 | | 7x-15+6(x-3)= | | 7m+7(19-4)+9=100 |