2a+9=-3a-11

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Solution for 2a+9=-3a-11 equation: 


a in (-oo:+oo)

2*a+9 = -3*a-11 // + -3*a-11

2*a-(-3*a)+9+11 = 0

2*a+3*a+9+11 = 0

5*a+20 = 0 // - 20

5*a = -20 // : 5

a = -20/5

a = -4

a = -4

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