Answer:

Given equations:
<u>Make x the subject in equation 1</u>:
<u>Substitute this into equation 2</u>:
2(y - 3) - 7y = -14
2y - 7y = -14 + 6
-5y = -8
y = -8/-5
y = 1.6
Then x = y - 3
= 1.6 - 3
= -1.4
Solution: (x, y) ⇒ (-1.4, 1.6)
Answer:
208 squared
Step-by-step explanation:
5^-4 / 5^3
= 5^-1
= 1/5
answer
<span>5^−1
</span><span>1 over 5</span>
Seven weeks until they meet again