7t-9=4t-12 - solution

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Solution for 7t-9=4t-12 equation:

t in (-oo:+oo)

7*t-9 = 4*t-12 // - 4*t-12

7*t-(4*t)-9+12 = 0

7*t-4*t-9+12 = 0

3*t+3 = 0 // - 3

3*t = -3 // : 3

t = -3/3

t = -1

t = -1

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