Question

4) Calcule o valor de x: *
2 pontos

x=4
x=5
x=16
x=18​

Answer 1

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4(x + 3) = 2(x + 10)

4x + 12 = 2x + 20

4x - 2x = 20 - 12

2x = 8

x = 8/2

x = 4

_

x = 4

Alternativa A

____________

Att: MarcosPCV

Answer 2

Explicação passo-a-passo:

$4(x + 3) = 2(x + 10) \\ 4x + 12 = 2x + 20 \\ 4x - 2x = 20 - 12 \\ 2x = 8 \\ x = 8 \div 2 \\ x = 4$

Prontinho