Answer:
4
Explanation:
In numerical terms, write down what the problem says to,
( 7x + 2 ) ÷ 3 = 10
Now solve with inverse operations and simplification,
*3 *3
7x + 2 = 30
-2 -2
7x = 28
÷7 ÷7
x = 4
4 times 7 = 28
28 + 2 = 30
30/3 = 10
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