if your solving for y, it's y=7. you have to get y alone and to do that you have to divide 4y by 4. now you have y alone. you also have to divinde the other side of the equation(28) by 4...which equals 7
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It is an algebraic expression but if you mean 5x-4y-28 = 0 then it is a straight line equation.
4y -2 = 6 4y = 6 + 2 4y = 8 y = 2
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-7y + 4y = -3y
6-2x-8+3+12x+4y 10x+4y+1 Note that - -3 = +3 and that - -4y = +4y