A variable needs to be correct first step
9x + 2y = -78
4x + 2y = -38
Subtract to eliminate x.
O Add to eliminate y.
Subtract to eliminate y.
O Add to eliminate x.

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Ответ:

Cocco

17.03.2022

Mathematics

Part A: B is the answer since if you move the triangle they would be differently rotated

Part B: the answer is C since if you translate both over the y-axis and then the x-axis you will get the other pair

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A variable needs to be correct first step 9x + 2y = -78 4x + 2y = -38 Subtract to eliminate x. O Add to eliminate y. Subtract to eliminate y. O Add to eliminate x.