15-12-2022
Mathematics

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Add the equations.

3x - y = -5
7x + y=15

A. -4x = 10
B. -4x = -20
C. 10x = 10
D. 10x-2y = -20

Add the equations 3x y 5 7x y15 A 4x 10 B 4x 20 C 10x 10 D 10x2y 20 class=

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