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Simplify:
3x + 8 + 4x
7x + 8
Simplify:
10n - 6n + 13 + 2n
6n + 13
Simplify:
15b + 18c + 6c - 5 - 12b
3b + 24c -5
Simplify:
7s + 15t - 7t + 4s - 8t
11s
Simplify:
2g + 15 + 8g - 10 + h
10g + h + 5
Simplify:
3k + 3l + 3k - 3l - 3k + 3 - 3k
3
Simplify:
2 + 6d -1 - d
5d - 1
Simplify:
90a + 120b + 300c - 180c + 30a
120a + 120b + 120c
Simplify:
6p + 12q -3q + 3p
9p + 9q
Alice has some marbles. He puts x marbles in a bag. There are 6 bags and 2 extra marbles in total. What is the total number of marbles?
6x + 2
Lila buys 5 kg of apples at $n each kg and 6 kg of pears at $4 each kg. How much does Lila have to pay in total?
5n + 24
Lila has $10. She buys 8 postcards at $m each
How much money does Lila have left?
10-8m
Jeff had $100. He gave $y to his son. The remainder was then shared equally between his 2 daughters. How much does each daughter have?
(100-y)/2
Vivian bought 8 books. She gave the cashier $120 and received $z change.
What is the cost of 1 book?
(120-z)/8
Vivian bought 4 candles. She gave the cashier $15 and received $m change. What is the cost of 1 candle?
(15-m)/4
Evaluate the expression using x=3:
3x + 15
24
