8a+8b=-40

-8a+b=76

Solve the equation (ordered pairs ..if any)

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According to given question

Note that 8a appears on both left-hand side of equation.Adding left- hand side of (1)and(2) and then the right hand side and gives

8a+8b-8a+b=-40+76

9b=36

b=4

substituting the value of"b" in equation (1)

8a+32=-40

8a=-72

a=-9

So,

the solution is (-9,4) Answer

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