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mihalych1998 [28]
3 years ago
7

Y =9x+13 y =2x+48 Can you find the x and the y

Mathematics
1 answer:
Digiron [165]3 years ago
4 0
9x+13=2x+48
-2x      -2x
7x+13=48
    -13  -13
      7x=35
      /7     /7
      x=5

y=9(5)+13
y=45+13
y=58
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If \frac{3+\sqrt{8} }{3-\sqrt{8} } +\frac{3-\sqrt{8} }{3+\sqrt{8} }=a+b\sqrt{2}, the value of a and b is given as a = 34 and b = 0

<h3>What is an equation?</h3>

An equation is an expression that shows the relationship between two or more variables or numbers.

\frac{3+\sqrt{8} }{3-\sqrt{8} } +\frac{3-\sqrt{8} }{3+\sqrt{8} }\\ \\\frac{9+6\sqrt{8}+8+9-6\sqrt{8}+8  }{(3-\sqrt{8} )(3+\sqrt{8} )} \\\\\frac{34}{9-8} =34+0\sqrt{2}

If \frac{3+\sqrt{8} }{3-\sqrt{8} } +\frac{3-\sqrt{8} }{3+\sqrt{8} }=a+b\sqrt{2}, the value of a and b is given as a = 34 and b = 0

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2 years ago
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mrs_skeptik [129]

Question 1 :

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3 years ago
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