Answer:
x=23
Step-by-step explanation:
7y-6y-10=13
y-10=13
+10 +10
Y=23
y = 23
7y - 6y -10 = 13
add the ten to the thirteen
7y - 6y = 23
then subtract six y from seven y
1x = 23
divide 23 by one
X = 23