6x + 7y = 59...multiply by -4
4x + 5y = 41...multiply by 6
Answer:
x = 16
Step-by-step explanation:
2(x - 1) - 6 = 24 ( add 6 to both sides )
2(x - 1) = 30 ( divide both sides by 2 )
x - 1 = 15 ( add 1 to both sides )
x = 16
X-45+10=15
X-35=15
+35 +35
X=50
He had 50 dvds to begin with.
Answer: a
Step-by-step explanation: