Given the replacement set {2, 3, 4, 5}, solve 7x – 4 = 3x + 8.
2 answers:
B or 3 is the correct answer
7x-4=3x+ 8
-3x of both sides 4x-4=8
plus 4 to both sides 4x=12
12 divide by 4 = 3
hopeful that helps
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