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5=2x_{1}+45x
Combine x_{1} and x_{1} to get 2x_{1}.
2x_{1}+45x=5
Swap sides so that all variable terms are on the left hand side.
45x=5-2x_{1}
Subtract 2x_{1} from both sides.
\frac{45x}{45}=\frac{5-2x_{1}}{45}
Divide both sides by 45.
x=\frac{5-2x_{1}}{45}
Dividing by 45 undoes the multiplication by 45.
x=-\frac{2x_{1}}{45}+\frac{1}{9}
Divide -2x_{1}+5 by 45.
5=2x_{1}+45x
Combine x_{1} and x_{1} to get 2x_{1}.
2x_{1}+45x=5
Swap sides so that all variable terms are on the left hand side.
2x_{1}=5-45x
Subtract 45x from both sides.
\frac{2x_{1}}{2}=\frac{5-45x}{2}
Divide both sides by 2.
x_{1}=\frac{5-45x}{2}
Dividing by 2 undoes the multiplication by 2.