Question

10 ×+4×-20×


A -20×

B -6×

C14×

D 34×​

Answer 1

⇒_⇒ São -6x Alternativa (B).

Somando.

$\sf 10x+4x-20x\\\\Diminuindo \\\\14x-20\\\\\boxed{\sf -6x~~~\checkmark}$

Resposta; ↓

-6x (B).

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Answer 2

$\large\boxed{\begin{array}{l} \rm{10x + 4x - 20x} \\ \rm{(10 + 4 - 20)x} \\ \rm{ - 6x} \\ \huge\boxed{ \boxed{ \boxed{ \boxed{ \rm \dagger \red{ \maltese}~ \blue{alternativa~B}}}}}\end{array}}$