AnishkaJ117894 AnishkaJ117894
  • 03-11-2022
  • Mathematics
contestada

Use a properly of equality to solve this equation: 4.5x = 18

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DeeganP620107 DeeganP620107
  • 03-11-2022

To solve the equation you can use the property of the multiplicative inverse, like this

[tex]\begin{gathered} 4.5x=18​ \\ \frac{1}{4.5}\cdot4.5x=18​\cdot\frac{1}{4.5} \end{gathered}[/tex]

Dividing by 4.5 into both sides of the equation is the same as multiplying by the multiplicative inverse of 4.5 on both sides of the equation

[tex]x=\frac{18}{4.5}[/tex]

Therefore,

[tex]x=4[/tex]

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