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Solve for x_4
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2x+3=5x_{4}
Multiply both sides of the equation by x_{4}.
2x=5x_{4}-3
Subtract 3 from both sides.
\frac{2x}{2}=\frac{5x_{4}-3}{2}
Divide both sides by 2.
x=\frac{5x_{4}-3}{2}
Dividing by 2 undoes the multiplication by 2.
2x+3=5x_{4}
Variable x_{4} cannot be equal to 0 since division by zero is not defined. Multiply both sides of the equation by x_{4}.
5x_{4}=2x+3
Swap sides so that all variable terms are on the left hand side.
\frac{5x_{4}}{5}=\frac{2x+3}{5}
Divide both sides by 5.
x_{4}=\frac{2x+3}{5}
Dividing by 5 undoes the multiplication by 5.
x_{4}=\frac{2x+3}{5}\text{, }x_{4}\neq 0
Variable x_{4} cannot be equal to 0.