Answer:
x=11
Step-by-step explanation:
5x+62=3x+47+37
5x+62=3x+84
2x=22
x=11
Answer:
8a
Step-by-step explanation:
group all similar terms
3a + 5a = 8a
Answer:
x = 
Step-by-step explanation:
Given
y = 4x - 10 ( add 10 to both sides )
y + 10 = 4x ( divide both sides by 4 )
= x
300,000cm is equals to 3km