7a-4=-4a+128

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Solution for 7a-4=-4a+128 equation: 


a in (-oo:+oo)

7*a-4 = 128-4*a // - 128-4*a

7*a-(-4*a)-128-4 = 0

7*a+4*a-128-4 = 0

11*a-132 = 0 // + 132

11*a = 132 // : 11

a = 132/11

a = 12

a = 12

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