3 years ago

4(2x + 3) = 4 8x + 12 = 4 8x = -8 x = -1 was this equation solved correctly?

Mathematics

1 answer:

iVinArrow [24]3 years ago

4 0

Yes, this looks to be done correctly.

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Step-by-step explanation:

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2 years ago

The measures of three angles in a triangle are(2x+5) ,(x+17) , and (3x-4) What is the value of ?

Stells [14]

Answer:

x=27

Step-by-step explanation:

Triangle angle =180 degrees

180＝2x+5+x＋17＋3x-4

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2 years ago

Complete the solution of the equation. find the value of y when x equals 1. <br><br>9x +7y= -12

Taya2010 [7]

Answer:

$y=-3$

Step-by-step explanation:

Given Equation:

$9x +7y=-12\\$ y=? at x= 1

Putting the given value of 'x' in the equation:

$9(1) +7y=-12\\\\9+7y=-12\\\\7y=-12-9\\\\7y=-21\\\\y=-\frac{21}{7} \\y=-3$

At $x=1$ , the value of y is $y=-3$

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3 years ago

Triangle JKL is a right triangle. What is the length of JK?

kari74 [83]

I would go with

G: 4 cm

J: 8 cm

Let me know if you get it correct! :)

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3 years ago

Read 2 more answers

X 3x -9 +30 +24 =180

olga55 [171]

Answer:

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Step-by-step explanation:

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2 years ago