They are terms of an expression which can be simplified to 4x+12 or factored to 4*(x+3)
Chat with our AI personalities
3x+12=x+48: 3x-x=-12+48 2x=36 x=18
3x + 12 = 42 3x = 30 x = 10
3x + 4 = 16 3x = 16 - 4 x = 12/3 x = 4
7x + 16 = 3x + 4 4x = -12 x = -3
3x - 1 = 11 so 3x = 12 so x = 4, so x^2 + x = 16 + 4 = 20 3x=12 so therefore x=4 x2 + x = 16 + 4 = 20