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Solving 2 Variable Equation (2)

Algebra Level 1

$\large y=7x-2$

Which of the ordered pairs is a solution of the following equation?

$(A): (x,y)=(3,15)$ .

$(B): (x,y)=(-1,-10)$ .

(A) only Neither (A) nor (B) (B) only Both (A) and (B)

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by Daehan Lee

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