solve [(x+7) x 3-5] / 4 = 7 What is the first step in this equation

Question

solve [(x+7) x 3-5] / 4 = 7
What is the first step in this equation

in progress 0
RI SƠ 3 years 2021-08-30T22:25:20+00:00 1 Answers 13 views 0

Answers ( )

    0
    2021-08-30T22:26:33+00:00

    Answer:

    The first step is to slove the numbers in the brackets

    Step-by-step explanation:

    [(x+7) x -2] / 4 = 7

    -2(x+7) / 4 = 7

    -2x-14 / 4 = 7

    -2x-14 = 28

    -2x = 42

    x = -21

    PEMDAS

Leave an answer

Browse

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