7(2a+7)=105

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Solution for 7(2a+7)=105 equation: 


a in (-oo:+oo)

7*(2*a+7) = 105 // - 105

7*(2*a+7)-105 = 0

7*(2*a+7)-105 = 0

14*a-56 = 0

14*a-56 = 0

14*a-56 = 0 // + 56

14*a = 56 // : 14

a = 56/14

a = 4

a = 4

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