Posted by carol on Wednesday, May 4, 2011 at 3:58pm.
3x + 24y = 24
27x - 15y = -15
Divide both sides of the first equation by 3.
x + 8y = 8
Transpose 8y.
x = 8 - 8y
Substitute 8-8y for x in second equation and solve for y. Insert that value into the first equation and solve for x. Check by inserting both values into the second equation.
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