Answer:
x = ⅓(10y + 7)
Explanation:
3xy - 7y = 10y²
3xy = 10y² + 7y
3x = 10y + 7
x= (10y+7)/3
y(3x-7)=10y^2
3x--7=10y^2/y
3x-7=10y
3x=10y+7
x = (10y+7)/3
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