ecuaciones: a) 12x + 3x - 7 = 10x + 8 b) 3 . (x + 5) = 81.... Question from @nogueraeugeni

July 2023 1 6 Report

ecuaciones: a) 12x + 3x - 7 = 10x + 8 b) 3 . (x + 5) = 81

lim74 a) 12x + 3x - 7 = 10x
12x + 3x - 10 x = 7
5x = 7
x = 7/5

b) 3 . (x + 5) = 81
3x + 15 = 81
3x = 81 - 15
3x = 66
x = 66/3
x= 22

coronita porfa

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