3 years ago

55 decreased by twice a number

Mathematics

1 answer:

satela [25.4K]3 years ago

4 0

Answer: 2x - 55

Step-by-step explanation: x equals the unknown number

( hope it helps )

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First, distribute the bracket on the right side of the inequality.

$\begin{gathered} 10x>2(8x)-2(3)-18 \\ 10x>16x-6-18 \\ 10x>16x-24 \end{gathered}$

Next, subtract 10x from both sides of the inequality.

$\begin{gathered} 10x-10x>16x-10x-24 \\ 0>6x-24 \end{gathered}$

Add 24 to both sides of the inequality.

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Divide both sides of the inequality by 6.

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The solution to the inequality is x<4.

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