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Olegator [25]
3 years ago
8

If -1/2x+5=1 find the value of 8x

Mathematics
1 answer:
Kipish [7]3 years ago
5 0

Answer:

\huge\boxed{8x=64}

Step-by-step explanation:

-\dfrac{1}{2}x+5=1\qquad|\text{subtract 5 from both sides}\\\\-\dfrac{1}{2}x+5-5=1-5\\\\-\dfrac{1}{2}x=-4\qquad|\text{multiply both sides by (-2)}\\\\(-2\!\!\!\!\diagup)\cdot\left(-\dfrac{1}{2\!\!\!\!\diagup}x\right)=(-2)(-4)\\\\x=8\qquad|\text{multiply both sides by 8}\\\\8\cdot x=8\cdot 8\\\\8x=64

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