When 142 is added to a number, the result is 64 more than 3 times the number. Find

1 answer:

8 0

X+142 =3x+64

subtract x from each side

142 = 2x+64

subtract 64 from each side

142-64 = 2x

78=2x

divide by 2

78/2 = x

x=39

The number is 39

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