2c + 3 = 15
Subtract 3 from both sides: 2c = 12
Divide both sides by 2: c = 6
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24c2 + 96c + 90 = 6*(4c2 + 16c + 15) = 6*(2c + 3)*(2c + 5)
15 plus -3 equals 12 12 divided by -6 equals -2
12-2c = 2c add 2c to both sides 12 = 4c divide both sides by 4 3 = c
false. because 5plus 3 plus 7 equals, 15, and 15 plus three is not seven
y equals 3