jacariyoung12 jacariyoung12

07-03-2022
Mathematics

contestada

-2x - y = -9
5x - 2y = 18
Solve as a whole number.

Respuesta :

viheg03 viheg03

07-03-2022

-y = -9 + -2x

y = 9 - 2x

5x - 2( 9 - 2x ) = 18

5x - 18 - 2x = 18

5x - 2x = 18 + 18

7x/7 = 36/7

approximately 5

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