2(4-7a)=-90

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Solution for 2(4-7a)=-90 equation: 


a in (-oo:+oo)

2*(4-(7*a)) = -90 // + 90

2*(4-(7*a))+90 = 0

2*(4-7*a)+90 = 0

2*(4-7*a)+90 = 0

98-14*a = 0

98-14*a = 0

98-14*a = 0 // - 98

-14*a = -98 // : -14

a = -98/(-14)

a = 7

a = 7

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