Write and equation on/ three times the sum of six and a number is 69

Question

Write and equation on/ three times the sum of six and a number is 69

in progress 0
Gerda 5 months 2021-08-18T18:04:27+00:00 2 Answers 6 views 0

Answers ( )

    0
    2021-08-18T18:05:38+00:00

    Answer:

    3(6 + a) = 69

    Step-by-step explanation:

    Let the unknown number be a

    3(6+a) = 69

    18 + 3a = 69

    3a = 69-18

    3a = 51

    a = 51/3

    a = 17

    0
    2021-08-18T18:06:18+00:00

    Answer:

    Step-by-step explanation:

    3(x + 6) = 69

    3x + 18 = 69

    3x  = 51

    x = 17

Leave an answer

Browse

Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )