Answer:
x = 15
Explanation:
3 ( 2x + 5 ) = 3x + 4x
Distribute;
6x + 15 = 3x + 4 x
Combine like terms;
6x + 15 = 3x + 4x
6x + 15 = 7x
Inverse operations;
-6x -6x
15 = x
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