Evaluate the following numerical expressions.
6+3x4=

18

Step-by-step explanation:

The important thing to remember here is order of operations.  In this equation, you must remember that multiplication must be solved before addition.  Afterward, it is a straightforward problem.  

6+3x4

Multiplication

6+12

Addition

18

Hope it helps <3

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x = 3 ± √(5+y)