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miv72 [106K]
4 years ago
13

13. – 5x – 10 = 2-2(x – 4)

Mathematics
1 answer:
ExtremeBDS [4]4 years ago
6 0

Answer:

<h3>\boxed{ \boxed{ \bold{ \purple{ - 6.67}}}}</h3>

Step-by-step explanation:

\sf{ - 5x - 10 = 2 - 2(x - 4)}

Distribute 2 through the parentheses

⇒\sf{ - 5x - 10 = 2 - 2x + 8}

Move constant to right hand side and change it's sign

Similarly , Move variable to left hand side and change it's sign

⇒\sf{ - 5x + 2x = 2 + 8 + 10}

Collect like terms

⇒\sf{ - 3x = 2 + 8 + 10}

Add the numbers

⇒\sf{ - 3x = 20}

Divide both sides of the equation by -3

⇒\sf{ \frac{ - 3x}{ - 3}  =  \frac{20}{ - 3} }

Calculate

⇒\sf{x =  - 6.67}

Hope I helped !

best regards!!

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