12-13 I hope this helps ;)
Answer:
(5x+2) = (7x-12)
=x=7
Step-by-step explanation:
the answer is 7
you gotta move the variables
collect like terms then divide
Answer:

Step by step explanation:

first we will change the terms with negative superscrips to the other side of the fraction

then we will distribute the superscripts


as when multiplying two powers that have the same base, we can add the exponents and, to divide podes with the same base, we can subtract the exponents


then we will change again the terms with negative superscrips to the other side of the fraction


Answer:
Step-by-step explanation:
I think the expression is:

In this case:

I hope I've helped you.
Answer:
15/9
Step-by-step explanation:
2/9+7/9+6/9
2×1, 7×1,6×1
2/9,7/9,6/9=15/9
If u want u can devide it