9/10a+7=4/5a

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Solution for 9/10a+7=4/5a equation: 


a in (-oo:+oo)

(9/10)*a+7 = (4/5)*a // - (4/5)*a

(9/10)*a-((4/5)*a)+7 = 0

(9/10)*a+(-4/5)*a+7 = 0

1/10*a+7 = 0 // - 7

1/10*a = -7 // : 1/10

a = -7/1/10

a = -70

a = -70

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