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From the set {1, 3, 4}, use substitution to determine which value of x makes the equation true. 30 - 2x = 22
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3 votes
From the set {1, 3, 4}, use substitution to determine which value of x makes the equation true.

30 - 2x = 22

User Hugo Reyes
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1 Answer

2 votes

30 - 2x= 22

-2x = 22 - 30

-2x = -8

(dived both sides by -2)

x= 4

User Blubb
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