Question 455301
a^2+b^2=c^2
(2x-2)^2+15^2=(2x+7)^2
4x^2 - 8x + 4 + 225 = 4x^2 + 28x + 49
-8x + 229 = 28x + 49
-36x = -180
x = 5
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4x^2+4+225=8x^2+18x
4+4+225=8+18x
233=8+18x
225=18x
12.5=x