Step-by-step explanation:
the next ones are 2, -2, -6,-10,-14,-18 and so on
<span>2x + x = 420
3x = 420
x = 140 Adult tickets </span>
Answer: See explanation
Step-by-step explanation:
7x - 2(x + 3y) + 3y
= 7x - 2x - 6y + 3y
= 5x - 3y
Will got 5x + 9y because he didn't multiply the values in the bracket by the minus sign outside the bracket. He multiplied the values by +2 rather than -2. This resulted in the wrong answer that he got.
