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-4\times 2x^{2}+18k=9\left(t+1\right)
Multiply both sides of the equation by 36, the least common multiple of 9,2,4.
-8x^{2}+18k=9\left(t+1\right)
Multiply -4 and 2 to get -8.
-8x^{2}+18k=9t+9
Use the distributive property to multiply 9 by t+1.
18k=9t+9+8x^{2}
Add 8x^{2} to both sides.
18k=8x^{2}+9t+9
The equation is in standard form.
\frac{18k}{18}=\frac{8x^{2}+9t+9}{18}
Divide both sides by 18.
k=\frac{8x^{2}+9t+9}{18}
Dividing by 18 undoes the multiplication by 18.
k=\frac{4x^{2}}{9}+\frac{t}{2}+\frac{1}{2}
Divide 9t+9+8x^{2} by 18.
-4\times 2x^{2}+18k=9\left(t+1\right)
Multiply both sides of the equation by 36, the least common multiple of 9,2,4.
-8x^{2}+18k=9\left(t+1\right)
Multiply -4 and 2 to get -8.
-8x^{2}+18k=9t+9
Use the distributive property to multiply 9 by t+1.
9t+9=-8x^{2}+18k
Swap sides so that all variable terms are on the left hand side.
9t=-8x^{2}+18k-9
Subtract 9 from both sides.
\frac{9t}{9}=\frac{-8x^{2}+18k-9}{9}
Divide both sides by 9.
t=\frac{-8x^{2}+18k-9}{9}
Dividing by 9 undoes the multiplication by 9.
t=-\frac{8x^{2}}{9}+2k-1
Divide -8x^{2}+18k-9 by 9.