Question

Calcule o valor de x na figura:
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Answer 1

$\Box \ \ \boxed{\begin{array}{l}\sf x+20+2x+30+2x-10=360 \end{array}}\\\Box \ \ \boxed{\begin{array}{l}\sf 5x=360-20-30+10 \end{array}}\\\Box \ \ \boxed{\begin{array}{l}\sf 5x=320 \end{array}}\\\Box \ \ \boxed{\begin{array}{l}\sf x=\dfrac{320}{5} \end{array}}\\\Box \ \ \boxed{\begin{array}{l}\sf x=64 \end{array}}$

Resposta correta;

$x=64$

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