Question

Quanto é
3x/2+1x/2=32

Answer 1

Resposta:

X = 16

Explicação passo-a-passo:

3x/2+1x/2=32

4x/2 = 32

2x = 32

X = 32/2

X = 16

Answer 2

Proporção:

$\sf \displaystyle 3\cdot \frac{x}{2}+1\cdot \frac{x}{2}=32\\\\\\\\\sf{Some\:elementos\:similares \Rightarrow}\:3\cdot \frac{x}{2}+1\cdot \frac{x}{2}=4\cdot \frac{x}{2}\\\\\\\\\sf 4\cdot \frac{x}{2}=32\\\\\\\\\sf Aplique \: a \: Regra\: de \: Multiplicacao\: de \: \:fracoes\Rightarrow\:a\cdot \frac{b}{c}=\frac{a\:\cdot \:b}{c}\\\\\\\\\sf \frac{x\cdot \:4}{2}=32\\\\\\\\\sf{Divida:}\:\frac{4}{2}=2\\\\\\\\\sf 2x=32\\\\\\\\\sf{Divida\:ambos\:os\:lados\:por\:}2$

$\sf \dfrac{2x}{2}=\dfrac{32}{2}\\\\\\\\\boxed{\sf S=\{16 \}}$

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