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Phantasy [73]
2 years ago
7

0 If 3x+ 11 = 86-5 the x = ?

Mathematics
2 answers:
evablogger [386]2 years ago
7 0
The answer would be 23 1/3
Keith_Richards [23]2 years ago
6 0

Answer: x = 70/3

Step-by-step explanation:

<u>Given equation</u>

3x + 11 = 86 - 5

<u>Simplify by subtraction</u>

3x + 11 = 81

<u />

<u>Subtract 11 on both sides</u>

3x + 11 - 11 = 81 - 11

3x = 70

<u>Divide 3 on both sides</u>

3x / 3 = 70 / 3

\boxed{x=\frac{70}{3} }

Hope this helps!! :)

Please let me know if you have any questions

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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

Hi there!

Point-slope form: y-y_1=m(x-x_1) where <em>m</em> is the slope of the line and (x_1,y_1) is a given point

Given that the slope is -3/4, we can plug it into y-y_1=m(x-x_1) as <em>m</em>:

y-y_1=\displaystyle -\frac{3}{4}(x-x_1)

We can also plug in the given point (1,2):

y-2=\displaystyle -\frac{3}{4}(x-1)

Slope-intercept form: y=mx+b where <em>m</em> is the slope and <em>b</em> is the y-intercept (the value of y when the line crosses the y-axis)

To write the equation in slope-intercept form, isolate <em>y</em>:

y-2=\displaystyle -\frac{3}{4}(x-1)\\\\y=\displaystyle -\frac{3}{4}(x-1)+2\\\\y=\displaystyle -\frac{3}{4}x+\frac{3}{4}+2\\\\y=\displaystyle -\frac{3}{4}x+\frac{11}{4}

I hope this helps!

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