3a + 6b = 45
2a - 2b = -12....multiply by 3
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3a + 6b = 45
6a - 6b = - 36 ...(result of multiplying by 3)
---------------add
9a = 9
a = 1
3a + 6b = 45
3(1) + 6b = 45
3 + 6b = 45
6b = 45 - 3
6b = 42
b = 7
solution is : (1,7)
Answer:
i) is correct answer i think
Answer:
2
Step-by-step explanation:
If p = 5 and q = 1, the equation would look like
2 - (1 - 5/5)
2 - (1 - 1) [5/5 is a giant 1]
2 - (0)
2
Answer:
The answers are options A and C.
They are (-2,0) and (0,0).
Step-by-step explanation:
