Find the solution to each equation mentally or use your calculator. (Hint: do the opposite of the number on the left side of the equation) <

Question

Find the solution to each equation mentally or use your calculator. (Hint: do the opposite of the number on the left side of the equation)
.

A: 30+a=40

B: 500+b=200

C: −1+c=−2

D: d+3,​567=0

PLEASE ANSWER EACH ONE IM HAVING TROUBLE PLSSS HELP 🙁 IM GONNA FAIL

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Amity 5 years 2021-08-18T12:37:08+00:00 1 Answers 17 views 0

Answers ( )

  1. Sapo1
    0
    2021-08-18T12:39:05+00:00
    Reply

    Answer:

    A. 10

    B. 300

    C. -3

    D. -3,567

    Step-by-step explanation:

    im pretty sure this is coreect i apologize if not

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