solve this simulatneous equations (with clear algebraic working) : 5x-2y = 33 , 5x + 8y = 18
5x -2y = 33 (substract) 5x + 8y = 18
-10y = 15
y = -1.5
5x + 8(-1.5) = 18
5x = 30
x= 6
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