Answer:brainliest plsssss
Step-by-step explanation:
1/2x+15=x
X+30=2x
30=2x-x
30=x
Number of girls in class
30-12=18
☆ the number of girls in his class are 18
Answer:
I dont know what you mean wdym...
Step-by-step explanation:
Answer:
The correct option should have been
.
Step-by-step explanation:
Given the expression

solving the expression

Remove parentheses: (a) = a

Group like terms

Add similar elements

It is clear that not a single given option is
. It means no option is correct. It seems you mistyped the correct options.
The correct option should have been
.