x=19/2
For this expression,
x + 3 ÷ 2 = 12 - 2 ÷ 2
Let's use the PEMDA acronym
P Parentheses
E Exponents
M Multiplication
D Division
A Addition
2) Solving it, let's firstly rewrite that expression
And then subtract 3/2 from both sides.

Proceeding the operations, we get 19/2
Testing it:
19/2 +3/2 = 12-2/2
11 =11 True