1-7a+3a=-3

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Solution for 1-7a+3a=-3 equation: 


a in (-oo:+oo)

3*a-(7*a)+1 = -3 // + 3

3*a-(7*a)+1+3 = 0

3*a-7*a+1+3 = 0

4-4*a = 0 // - 4

-4*a = -4 // : -4

a = -4/(-4)

a = 1

a = 1

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