Mark M. answered 04/28/19
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Mathematics Teacher - NCLB Highly Qualified
f(x) = 2x + 3
f(2x + 3) = 2(2x + 3) + 3
f(2x + 3) = 4x + 9
5x = 4x + 3
x = 3
Mark M. answered 04/28/19
Mathematics Teacher - NCLB Highly Qualified
f(x) = 2x + 3
f(2x + 3) = 2(2x + 3) + 3
f(2x + 3) = 4x + 9
5x = 4x + 3
x = 3
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