9+2x+2x=-19 - solution

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Solution for 9+2x+2x=-19 equation:

x in (-oo:+oo)

2*x+2*x+9 = -19 // + 19

2*x+2*x+9+19 = 0

4*x+28 = 0 // - 28

4*x = -28 // : 4

x = -28/4

x = -7

x = -7

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