Which equation is represented by the phrase “two times a number, decreased by six equals twelve”? 2x + 6 = 12
x – 6 = 12
x + 6 = 12
2x – 6 = 12

What's the difference between: x≥0 and nonnegative integer. ?

At dinner, 2/5 of the people had fish and 1/3 had chicken. if everyone else had lamb, what fraction of the people had lamb? and if 40 people had lamb , calculate the total number of people at the dinner.

Which expression is equivalent to 5r6141 2r+st6