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+13x +10y -3x -4y

simplified is

+10x +6y.

I think this write but not really he use the method write

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13y ago

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Anonymous

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4y ago

10x+6y

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Q: Simplify 13x 10y- 3x -4y
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10y-4y = 6


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How do you solve this 7x-4y-9 and 3x 2y-15 find x and y?

A1: 7x-4y=9 , 3x+2y=15 and 7x-4y=9, 6x+4y=30 so 13x=39 x=3 now plug it in for y 9+2y=15 so y=3 A2: The right expression is missing a + or - between the 3x and 2y. For the purpose of this demo, let's assume it is 3x+2y-15. It can be solved by multiplying the right expression by 2, then add the expressions. That will eliminate y. Then solve for x. When x is known, plug its value into either of the expressions and solve for y. To start: 2(3x+2y-15)=6x+4y-30 adding the two (7x-4y-9)+(6x+4y-30)=13x+0y-39=13x-39 solve for x


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Solve this equation using subtitution x equals 4y and 3x-2y equals 20?

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