5(4a-7)=45

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Solution for 5(4a-7)=45 equation: 


a in (-oo:+oo)

5*(4*a-7) = 45 // - 45

5*(4*a-7)-45 = 0

5*(4*a-7)-45 = 0

20*a-80 = 0

20*a-80 = 0

20*a-80 = 0 // + 80

20*a = 80 // : 20

a = 80/20

a = 4

a = 4

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