
Mark M. answered 10/29/19
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Mathematics Teacher - NCLB Highly Qualified
4x + 2y = 24
7y / 2x = 7
4x + 2y = 24
7y =7(2x)
4x + 2y = 24
y = 2x
4x + 2(2x) = 24
8x = 24
x = 3
x + y = ?