Question 45485
{{{-3x + 4y = 11}}}
If we want to find x, it is best to have a positive amount of x on the left hand side of the equal sign. So change the sign of all terms:
{{{2x - 4y = -11}}}
add 4y to both sides:
{{{2x = 4y - 11}}}
divide by 2:
{{{ x=2y-11/2}}}

I hope this helps.
Adam
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