21 April, 09:13
Solve this system of lineal equations. separate the x - and y - values with a comma 2x=68-12y and 8x=-28+12y
21 April, 09:29
rewrite each equation
because the y values are the same number but opposite signs they will cancel out nicely.
now lets plug x into any of the equations.
2 (4) + 12y=68
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» Solve this system of lineal equations. separate the x - and y - values with a comma 2x=68-12y and 8x=-28+12y