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Mathematics, 06.11.2019 08:31 xoxokaydavis2638

To solve this system of equations using substitution, what could be substituted in place of y in the first equation?
4x = 5 - 2y
y-2x = 7

a.7-2x
b. 4x– 5
c.5-4x
2
d. 2x + 7

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