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4-3+x=y; I would write as an equation of y in terms of x. So, subtract 3 from 4 gives 1. Therefore 1+x=y or as more commonly written y=x+1.
3x+2y=43 where x=(-4+y)/2 =0.5y-2 3(0.5y-2)+2y=43 1.5y-6+2y=43 3.5y-6=43 3.5y=49 y=49/3.5 which is the same as (49x2)/7 =14
x = y = 0 ?
Can you help with this equation? Thanks. Solve for x and y and z for the following. x plus y plus z equals 9 x plus 2y plus 3z equals 23 x plus 5y plus -3z equals -7
y equals x plus 5 is the equation of a straight line in the x-y plane.
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