Answer:
A
Step-by-step explanation:
So we have the equation:
[tex]x+4=7[/tex]
To solve for x, subtract 4 from both sides:
[tex](x+4)-4=(7)-4[/tex]
The left side cancels. Subtract on the right:
[tex]x=3[/tex]
So, the value of x is 3.
And our answer is A.
And we're done!
