31.+ addition
32. - subtraction
Answer:
negative 3
Step-by-step explanation:
so if you know basic algebra you can make an equation 2x+10=4 simplify it to x+5=2 and if you subtract 5 from both sides you end up with x=negative three
Distribute -3 in
-3x + 42 + 6x
3x + 42
Hope this helps!
7
The process
1-2(2x1)+(2)^2