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6x plus 3y minus 2x plus 5y equals 4x plus 8y.
The question is not quite clear, do you mean -6x+3y = -18 and -10+5y = -30? If so then the solution is: -10+5y= -30 5y = -30+10 5y = -20 y = -4 Substitute the value of y into the equation -6x+3y = -18: Answer: x = 1 and y = -4
3x-3y
86
It is: 6x-5y simplified