3 years ago

What does k equal in kx+2y=k; if (2,-2)

Mathematics

2 answers:

Aleks [24]3 years ago

7 0

K(2)+2(-2)=k
2k-4=k
+4 +4
2k=k+4
-k -k
K=4

Debora [2.8K]3 years ago

3 0

Simplify both sides of the equation

k(2)+(2)(-2) = k

Simplify

2k-4 = k

Subtract k from both sides

2k-4-k = k-k

k-4 = 0

Add 4 to both sides

k-4+4 = 0+4

k = 4

I hope that's help !

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