5x + 10y = 18

Mathematics

2 answers:

GarryVolchara [31]3 years ago

5 0

5y - 30 + 10y = 18 <== ur answer

SOVA2 [1]3 years ago

4 0

5x + 10y = 18

x = y -6, we substitute this into first equation.

5x + 10y = 18

5*(y - 6) + 10y = 18

5y - 30 + 10y = 18

So it the last option from the top.

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