Question
Asked Dec 2, 2019
6 views

x-y=-8

7x+5y=16

solve together 

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Expert Answer

Step 1

Given

x – y = - 8    ……… (1)

7x + 5y = 16 ………. (2)

Step 2

From equation (1)

x-y-8
x=y-8...(3)
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x-y-8 x=y-8...(3)

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Step 3

Putting the value of x ...

7(y-8)+5y 16
7y-56+5y16
12y 16+56
12y 72
72
y
12
y6
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7(y-8)+5y 16 7y-56+5y16 12y 16+56 12y 72 72 y 12 y6

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Tagged in

Math

Algebra

Equations and In-equations