Answer:
6
Explanation:
first we combine like terms
6+6=7x-5x
then we simplify
12=2x
lastly we divide both sides by 2
2x ÷2=12÷2
an we simplify again
x=6
then the value of x is 6
check
5(6)+6=7(6)-6
30+6=42-6
36=36
x = 6
5x+6=7x-6
-6 -6
--------------------
5x = 7x - 12
-7x -7x
-2x = -12
------------
-2 -2
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