Question

3+x=7 help please I’m so confused

Answer 1

×=4

Step-by-step explanation:

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Answer 2

Answer:

$\huge\boxed{\bf\:x = 4}$

Step-by-step explanation:

$3 + x = 7$

Bring 3 to the right hand side of the equation and isolate the variable.

$3 + x = 7\\x = 7 - 3\\\boxed{\bf\:x = 4}$

$\rule{150pt}{2pt}$