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Elementary Geometry for College St...

6th Edition
Daniel C. Alexander + 1 other
ISBN: 9781285195698

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BuyFindarrow_forward

Elementary Geometry for College St...

6th Edition
Daniel C. Alexander + 1 other
ISBN: 9781285195698
Textbook Problem
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In Exercises 23 and 24, solve the system of equations in Exercises 21 and 22 by using algebraic methods.

Refer to Exercise 21.

4 x - 3 y = - 3

                x + 2 y = 13

To determine

To find:

The point of intersection of the two lines 4x-3y=-3 and x+2y=13 using algebraic methods.

Explanation

The point of intersection of two lines is found by using Addition or Subtraction property of Equality.

Subtract the given equations. 4x-3y=-3 and x+2y=13

Multiply 4 to the equation x+2y=13,

4x+8y=52

Subtract the given equations. 4x-3y=-3 and 4x+8y=52.

The resultant equation is -11y=-55

Then,

y=-55-11

y=5

Now substitute y=5 in 4x

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