Respuesta :

Answer: [tex]x=45[/tex]

Simplify both sides of the equation

[tex]x+1.2x+1=100[/tex]

[tex](x+1.2x)+(1)=100[/tex] (Combine Like Terms)

[tex]2.2x+1=100[/tex]

Subtract 1 from both sides

[tex]2.2x+1-1=100-1\\2.2x=99[/tex]

Divide both sides by 2.2

[tex]2.2x/2.2=99/2.2[/tex]

[tex]x=45[/tex]

devishri1977

Answer:

Step-by-step explanation:

[tex]x+1.2x+1=100\\\\2.2x+1=100\\\\2.2x=100-1\\\\2.2x=99\\\\x=\frac{99}{2.2}\\\\x=\frac{99*10}{2.2*10}\\\\x=\frac{990}{22}\\\\x=45[/tex]

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