42=4t+3t-7

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Solution for 42=4t+3t-7 equation: 


t in (-oo:+oo)

42 = 4*t+3*t-7 // - 4*t+3*t-7

7-(4*t)-(3*t)+42 = 0

7-4*t-3*t+42 = 0

49-7*t = 0 // - 49

-7*t = -49 // : -7

t = -49/(-7)

t = 7

t = 7

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