Any non-integer solutions should be given as fractions in their simplest form.
Also, please show working.
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Start by multiplying the first equation by 6. Then add the two equations together to eliminate .
Why not show what you have done and where you are stuck?
I multiplied the first equation by 6
and added the 2 equations together
30a - b = 54
a+6b = -3
31 + b =51
It should actually have been .
Now try adding the equations together. What do you get?
No, adding them gives:
(30a - 6b) + (a + 6b) = 54 -3
31a = 51
b - b = 0
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