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qual é o valor de x?
2x+10=20​


Resposta :

[tex]\large\displaystyle\text{$\mathtt{ 2x+10=20}$}[/tex]

[tex]\large\displaystyle\text{$\mathtt{ 2x=20-10}$}[/tex]

[tex]\large\displaystyle\text{$\mathtt{2x=10 }$}[/tex]

[tex]\large\displaystyle\text{$\mathtt{x=\dfrac{10}{2} }$}[/tex]

[tex]\large\displaystyle\text{$\boxed{\boxed{\mathtt{ x=5}}}$}[/tex]

Resposta:

5

Explicação passo a passo:

[tex]2*x+10=20\\\\2*x=20-10\\\\2*x=10\\\\x=\frac{10}{2}\\ \\x=5[/tex]