3 years ago

Simplify by combining like terms: -17 + 2(6x - 1) + 5

Mathematics

1 answer:

shutvik [7]3 years ago

3 0

Answer: 12x - 14

Step-by-step explanation:

-17 + 2(6x - 1) + 5

-17 + 5 = -12

-12 + 2(6x - 1)

-12 + 12x - 2

12x - 14

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So I kinda forgot how to do this *nervous laughter* um help

natali 33 [55]

1) value of x =60

2) value of x = 3

Step-by-step explanation:

We need to use cross products to solve the proportions of x.

$1.\,\, \frac{3}{5}= \frac{x}{100}$

Solving:

$\frac{3}{5}= \frac{x}{100}\\Cross\,\,multiply\,\,:\\5x=3*100\\5x=300\\x=\frac{300}{5}\\x=60$

So, value of x =60

$2.\,\,\frac{x}{8}=\frac{7.5}{20}$

$\frac{x}{8}=\frac{7.5}{20} \\20x=7.5*8\\20x=60\\x=\frac{60}{20}\\ x=3$

So, value of x = 3

Keywords: Ratio and Proportions

Learn more about Ratio and Proportions at:

#learnwithBrainly

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Area of shaded region

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