3 years ago

I need help with thus assignment ASAP

Mathematics

2 answers:

Crazy boy [7]3 years ago

7 0

Your answer should be 10.5

timofeeve [1]3 years ago

7 0

Answer:

x=6

Step-by-step explanation:

<u>supplementary angles add up to 180 degrees</u>

therefore

-1+11x+151=180

(add 1 to both sides)

11x+151=181

(minus 151 from both sides)

11x = 66

(divide both sides by 11)

x=6

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Standard form of the equation is:

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Step-by-step explanation:

Given equation:

$y-2=-3(x-7)$

To convert the given equation to standard form of equation:

$A(x)+B(y)=c$

Using distribution.

$y-2=(-3x)+(-3\times-7)$

$y-2=-3x+21$

Adding 2 both sides.

$y-2+2=-3x+21+2$

$y=-3x+23$

Adding $3x$ to both sides.

$3x+y=3x-3x+23$

∴ $3x+y=23$

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10-3 = 7.

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