Solve the system of linear equations using elimination. -7x + 3y = -6
-3x + 3y = 6
A)
(3,5)
B)
(3,-5)
(-3,5)
D)
(-3,-5)

A

Step-by-step explanation:

in problems involving proportions, we can use cross products to test whether two ratios are equal and form a proportion. to find the cross products of a proportion, we multiply the outer terms, called the extremes, and the middle terms, called the means.

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