linear combination(elimination), Algebra

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x-y=11
x+y=19

Related Discussions:- linear combination(elimination)

Example of equations with more than one variable, y = 4 - 3x /1 + 8x for x....

y = 4 - 3x /1 + 8x for x. Solution This one is very alike to the previous instance. Here is the work for this problem. y + 8xy = 4 - 3x 8xy + 3x = 4 - y X(8 y +3)

Backtracking equations, I need some help with Backtracking equations.I have...

I need some help with Backtracking equations.I have a quiz tomorrow, and i was hoping that you guys could help.

Varables, 2x-3(2x+7)=-13

2x-3(2x+7)=-13

Linear equations, x+6=2x+5

x+6=2x+5

#tibobb, a painter charged $320 to paint two walls taht measure 12 feet by ...

a painter charged $320 to paint two walls taht measure 12 feet by 9ft and two walls that measured 10 ft by 9 ft. The client asks him to return to paint two walls that measue 15 ft

Financial project, Five (5) years ago, you bought a house for $171,000, wit...

Five (5) years ago, you bought a house for $171,000, with a down payment of $30,000, which meant you took out a loan for $141,000. Your interest rate was 5.75% fixed. You would li

Algebra 2, how to find the zero of an equation

how to find the zero of an equation

How to solve, -.7y+13.5=7y+31.98

-.7y+13.5=7y+31.98

Solving quadratic equation using extracting square root, a 9f2 square paint...

a 9f2 square painting is mounted with border on a square frame. if the total area of the border is 3.25 ft2, what is the length of a side of the frame?

Linear equation in two variables, 2x+y/x+3y=-1/7and 7x+36y=47/3 hence find ...

2x+y/x+3y=-1/7and 7x+36y=47/3 hence find p if xy=p=x/y

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