7b
Solve the following pairs of equations.
3. 3(x+y) = 7(y-x)
5(3x-y) = x +3
9. 2/e - 3/f = 1
13. 3(2x-y) = x + y + 5
5(3x-2y) = 2(x-y) + 1?
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Asked by Daniel on 23rd February, 2021
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