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Does the point (9, -8) satisfy the equation y = x - -1?

User Hlascelles
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4 votes

does the point (9, -8) satisfy the equation y = x - -1?​

we have

x=9

y=-8

substitute in the given equation

y=x- -1-------> y=x+1

-8=9+1

-8=`10 -----> is not true

therefore

Not satisfy the equation

Part 2

is (76,67) a solution to the equation y = x + -9

we have

y = x + -9 -------> y=x-9

x=76 and y=67

substitute

67=76-9

67=67 -----> is true

therefore

Yes, its a solution

User Anycorn
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8.0k points

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