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Simplifying -2x2 + 4y2 + -1z2 = 4 Solving -2x2 + 4y2 + -1z2 = 4 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-4y2' to each side of the equation. -2x2 + 4y2 + -4y2 + -1z2 = 4 + -4y2 Combine like terms: 4y2 + -4y2 = 0 -2x2 + 0 + -1z2 = 4 + -4y2 -2x2 + -1z2 = 4 + -4y2 Add 'z2' to each side of the equation. -2x2 + -1z2 + z2 = 4 + -4y2 + z2 Combine like terms: -1z2 + z2 = 0 -2x2 + 0 = 4 + -4y2 + z2 -2x2 = 4 + -4y2 + z2 Divide each side by '-2'. x2 = -2 + 2y2 + -0.5z2 Simplifying x2 = -2 + 2y2 + -0.5z2 Reorder the terms: 2 + x2 + -2y2 + 0.5z2 = -2 + 2y2 + -0.5z2 + 2 + -2y2 + 0.5z2 Reorder the terms: 2 + x2 + -2y2 + 0.5z2 = -2 + 2 + 2y2 + -2y2 + -0.5z2 + 0.5z2 Combine like terms: -2 + 2 = 0 2 + x2 + -2y2 + 0.5z2 = 0 + 2y2 + -2y2 + -0.5z2 + 0.5z2 2 + x2 + -2y2 + 0.5z2 = 2y2 + -2y2 + -0.5z2 + 0.5z2 Combine like terms: 2y2 + -2y2 = 0 2 + x2 + -2y2 + 0.5z2 = 0 + -0.5z2 + 0.5z2 2 + x2 + -2y2 + 0.5z2 = -0.5z2 + 0.5z2 Combine like terms: -0.5z2 + 0.5z2 = 0.0 2 + x2 + -2y2 + 0.5z2 = 0.0 The solution to this equation could not be determined.
| x^3+8x^3+2x+16= | | 3*c+9-c=29 | | a(n)=-13+(n-1)2 | | 4(sin^2(x))=1+4(cos(x)) | | 4sin^2(x)=1+4cos(x) | | 5x-x=3-x | | 4y-7=20y+137 | | v=(-v+20) | | 4z-5=z+13 | | -4(3-6x)=204 | | (190y/1)(Y)=-19 | | (190y/1)(Y)=190 | | a(n)=14+(n-1)6 | | 5w^4-3125= | | 12/x=0.4/9 | | 7x-3x=10-3 | | 40/320=14/x | | x-9=x^2+rx+t | | y=Ix+1I-2 | | 9b^2-10b+1= | | 17/30=x/120 | | 17/30=x/162 | | 4n+0.24=15.67 | | -19-1y(y)=190 | | x/13=70/91 | | x/13=96/210 | | T=5n+5w | | 3/4x?=2/3 | | 5•2/3 | | 5*4=16 | | (-19-1y)(y)=190 | | x+y=-19 |