x + 6 + 2x = 15
x+2x+6= 15 ( combine like terms)
3x+6= 15
move +6 to the other side
sign changes from +6 to -6
3x+6-6= 15-6
3x= 15-6
3x= 9
divide both sides by 3 to get x by itself
3x/3= 9/3
Cross out 3 and 3 , divide by 3 and then becomes 1*1*x= x
x= 9/3
Answer: x= 3
Answer:
B
Explanation:
I look up the question LOL
It was Alexander the Great of Macedonia who conquered Persia in the 330s BC, in what became known as one of the most significant takeovers in history, since it led to the fall of the Persian Empire.
Answer:
C people were looking for strong leaders who promised better times.
Explanation: